DCW1C Data Dictionary

No. Research domain Subdomain Questionnaire number Question Variable name Format name Formatted data values Value labels Variable type Notes
1       Child ID IDN_CHILD       Identification key Randomly generated child ID. Allows linking to other datasets
 
2     Q2 Baby's gender GENDER_PDL SEXINF 1 Boy Raw Harmonised information with perinatal data
              2 Girl    
 
3     Q4 Birth month BIRTHMONTH_PDL       Derived Harmonised information with perinatal data. Derived from child's date of birth
 
4       Gestational age (weeks) TERM_PDL TERMINF 1 PreTerm (<37 GW) Categorised The category 'Term' can also be defined as the 'Full term'
              2 Term (37-41 GW)    
              3 PostTerm (>41 GW)    
 
5     Q5 How much did the child weigh when he/she was born (grams) BW_PDL DKREF 98 Refused Derived Harmonised information with perinatal data
              99 Don't Know    
 
6       Delivery type groups DELIVERYGRPS_PDL DELINF 1 Spontaneous vaginal delivery Categorised Harmonised information with perinatal data
              2 Planned caesarean    
              3 Emergency or unplanned caesarean    
              4 Other assisted birth    
              5 Unknown    
 
7       Fetal count BIRTHS_PDL PDL 1 Singletons Categorised  
              2 Multiples    
 
8     Q8 Birth length (cm) BL_PDL       Derived Harmonised information with perinatal data
 
9       Mother ID (at 6 week data collection) IDN_W6M       Identification key Randomly generated mother ID at six week interview. Allows linking to other datasets
 
10 Child information     Child's age at 6 weeks data collection AGE_WK6       Derived Age in weeks
 
11     Q10 How long did you stay in hospital after the birth (days)? NUMHOSPDAYS_W6 HOSPDINF 8 8-14 Days Categorised Mother specific information. Values categorised
              9 15-21 Days    
              10 22-28 Days    
              11 29+ Days    
              87 Had a home birth    
              98 Refused    
              99 Don't Know    
 
12   Child sleeping paterns Q11 What is current sleeping arrangement you have for your baby in your home? SLPARR_W6 SLPRSINF 1 Infant cot in a separate room alone Raw  
              2 Infant cot in a separate room with siblings    
              3 Infant cot in parents' room    
              4 In protected space in parents’ bed    
              5 In parents' bed but not in a protected space    
              87 Other (please specify)    
              98 Refused    
              99 Don't Know    
 
13     Q12 In what position do you usually put your child to sleep? SLPPOS_W6 SPOSINF 1 On his/her stomach Raw  
              2 On his/her side    
              3 On his/her back    
              98 Refused    
              99 Don't Know    
 
14     Q13 What is the longest stretch that your child sleeps for (hours and minutes)? SLPDUR_W6 HHMM     Raw  
 
15   Child feeding patterns Q14 What are you currently feeding your baby? FEED_W6 FEEDINF 1 Breast milk only (means no water, breast milk substitutes, other liquids or solid foods) Raw  
              2 Mainly breast milk, but has also received some water based drinks(e.g., water, sugar water, fruit juice)    
              3 Formula only    
              4 Formula and breast milk    
              5 Other (please specify)    
              98 Refused to answer    
              99 Don't Know    
 
16     Q15 How many visits did your midwife or lead maternity carer(LMC) make to your home after the birth? LMCVISITS_W6 LMCINF 12 12 and more Categorised Upper extreme categorised
              98 Refused    
              99 Don't Know    
 
17   Health carer looking after Child Q16 Which health professionals are looking after child now: a general practice team? HEALTHPROF_GP_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
18       Which health professionals are looking after child now: plunket? HEALTHPROF_PLUNK_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
19       Which health professionals are looking after child now: specialist, e.g., paediatrician? HEALTHPROF_SPEC_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
20       Which health professionals are looking after child now: Maori health provider? HEALTHPROF_MAORI_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
21       Which health professionals are looking after child now: pacific island health provider? HEALTHPROF_PACIF_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
22       Which health professionals are looking after child now: public health nurse? HEALTHPROF_PHNUR_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
23       Which health professionals are looking after child now: community nurse? HEALTHPROF_COMNUR_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
24       Which health professionals are looking after child now: community health worker? HEALTHPROF_COMHW_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
25       Which health professionals are looking after child now: none? HEALTHPROF_NONE_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
26       Which health professionals are looking after child now: hospital nurse? HEALTHPROF_HOSPNURSE_W6 SERINF 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 Refused    
              99 Don't Know    
 
27       Which health professionals are looking after child now: alternative medicine? HEALTHPROF_ALTERMED_W6 SERINF 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 Refused    
              99 Don't Know    
 
28       Which health professionals are looking after child now: lactation consultant? HEALTHPROF_LACTCONS_W6 SERINF 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 Refused    
              99 Don't Know    
 
29       Which health professionals are looking after child now: others? HEALTHPROF_OTH_W6 SERINF 0 No Raw  
              1 Yes    
              98 Refused    
              99 Don't Know    
 
30   Feeling Q17 How are you feeling within yourself? FEELING_W6 DKREF 98 Refused Raw Mother specific information. A scale from 1-10, where 10 = Better than I've never been and 1 = Worse than I've ever been
              99 Don't Know    
 
31     Q6 When was child last weighted (grams reported from 6 weeks data collection)? CWAGO_W6 LWAGEINF 0 Less than a week Categorised  
              10 10 or more weeks    
              98 Refused    
              99 Don't Know    
 
32     Q7 Child's weight reported at 6 weeks data collection (grams) WEIGHT_W6       Derived Values converted to grams
 
33       How much child weight (pounds)           Information contained in derived variable WEIGHT_W6
 
34       How much child weight (ounces)           Information contained in derived variable WEIGHT_W6
 
35       How much child weight (grams)           Information contained in derived variable WEIGHT_W6
 
36       Mother ID (at 9 month data collection) IDN_M9M       Identification key Randomly generated mother ID at nine month interview. Allows linking to other datasets
 
37       Partner ID (at 9 month data collection) IDN_M9P       Identification key Randomly generated partner ID at nine month interview. Allows linking to other datasets
 
38 About baby's health Baby's health C1 In general how would you say baby's current health is? CH1_M9CM CH1M9CM 1 Excellent Raw  
              2 Very Good    
              3 Good    
              4 Fair    
              5 Poor    
              98 RF    
              99 DK    
 
39     C2 Does your baby have a health or developmental problem? CH2_M9CM YN2M9CM 1 Yes Raw  
              2 No    
              98 RF    
              99 DK    
 
40     C3 Can you describe up to 5 of baby's health or developmental problems: 1? NCH3_1_M9CM ICDL9CM 1 Infectious and parasitic diseases Re-classified Re-classified to ICD10 chapters
              2 Infectious and parasitic diseases    
              3 Malignant neoplasms    
              4 In situ neoplasms    
              5 Diseases of blood, blood-forming organs, immune mechanism    
              6 Endocrine, nutritional, and metabolic disease    
              7 Mental and behavioral disorders    
              8 Diseases of the nervous system    
              9 Diseases of the eye and adnexa    
              10 Diseases of the ear and mastoid process    
              11 Diseases of the circulatory system    
              12 Diseases of the respiratory system    
              13 Diseases of the digestive system    
              14 Diseases of skin and subcutaneous tissue    
              15 Diseases of the musculoskeletal system and connective tissue    
              16 Diseases of the genitourinary system    
              17 Pregnancy, childbirth, and the puerperium    
              18 Certain conditions originating in the perinatal period    
              19 Congenital malformations, deformations, and chromosomal abnormalities    
              20 Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified    
              21 Injury, poisoning, and certain other consequences of external causes    
              22 External causes of morbidity and mortality    
              23 Factors influencing health status and contact with health services    
 
41       Can you describe up to 5 of baby's health or developmental problems: 2? NCH3_2_M9CM ICDL9CM 1 Infectious and parasitic diseases Re-classified Re-classified to ICD10 chapters
              2 Infectious and parasitic diseases    
              3 Malignant neoplasms    
              4 In situ neoplasms    
              5 Diseases of blood, blood-forming organs, immune mechanism    
              6 Endocrine, nutritional, and metabolic disease    
              7 Mental and behavioral disorders    
              8 Diseases of the nervous system    
              9 Diseases of the eye and adnexa    
              10 Diseases of the ear and mastoid process    
              11 Diseases of the circulatory system    
              12 Diseases of the respiratory system    
              13 Diseases of the digestive system    
              14 Diseases of skin and subcutaneous tissue    
              15 Diseases of the musculoskeletal system and connective tissue    
              16 Diseases of the genitourinary system    
              17 Pregnancy, childbirth, and the puerperium    
              18 Certain conditions originating in the perinatal period    
              19 Congenital malformations, deformations, and chromosomal abnormalities    
              20 Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified    
              21 Injury, poisoning, and certain other consequences of external causes    
              22 External causes of morbidity and mortality    
              23 Factors influencing health status and contact with health services    
 
42       Can you describe up to 5 of baby's health or developmental problems: 3? NCH3_3_M9CM ICDL9CM 1 Infectious and parasitic diseases Re-classified Re-classified to ICD10 chapters
              2 Infectious and parasitic diseases    
              3 Malignant neoplasms    
              4 In situ neoplasms    
              5 Diseases of blood, blood-forming organs, immune mechanism    
              6 Endocrine, nutritional, and metabolic disease    
              7 Mental and behavioral disorders    
              8 Diseases of the nervous system    
              9 Diseases of the eye and adnexa    
              10 Diseases of the ear and mastoid process    
              11 Diseases of the circulatory system    
              12 Diseases of the respiratory system    
              13 Diseases of the digestive system    
              14 Diseases of skin and subcutaneous tissue    
              15 Diseases of the musculoskeletal system and connective tissue    
              16 Diseases of the genitourinary system    
              17 Pregnancy, childbirth, and the puerperium    
              18 Certain conditions originating in the perinatal period    
              19 Congenital malformations, deformations, and chromosomal abnormalities    
              20 Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified    
              21 Injury, poisoning, and certain other consequences of external causes    
              22 External causes of morbidity and mortality    
              23 Factors influencing health status and contact with health services    
 
43       Can you describe up to 5 of baby's health or developmental problems: 4? NCH3_4_M9CM ICDL9CM 1 Infectious and parasitic diseases Re-classified Re-classified to ICD10 chapters
              2 Infectious and parasitic diseases    
              3 Malignant neoplasms    
              4 In situ neoplasms    
              5 Diseases of blood, blood-forming organs, immune mechanism    
              6 Endocrine, nutritional, and metabolic disease    
              7 Mental and behavioral disorders    
              8 Diseases of the nervous system    
              9 Diseases of the eye and adnexa    
              10 Diseases of the ear and mastoid process    
              11 Diseases of the circulatory system    
              12 Diseases of the respiratory system    
              13 Diseases of the digestive system    
              14 Diseases of skin and subcutaneous tissue    
              15 Diseases of the musculoskeletal system and connective tissue    
              16 Diseases of the genitourinary system    
              17 Pregnancy, childbirth, and the puerperium    
              18 Certain conditions originating in the perinatal period    
              19 Congenital malformations, deformations, and chromosomal abnormalities    
              20 Symptoms, signs, and abnormal clinical and laboratory findings, not elsewhere classified    
              21 Injury, poisoning, and certain other consequences of external causes    
              22 External causes of morbidity and mortality    
              23 Factors influencing health status and contact with health services    
 
44       Can you describe up to 5 of baby's health or developmental problems: 5?           Combined responses of NCH3_5_M9CM with NCH3_4_M9CM
 
45     C4 Which of the following well child checks has baby had: at birth? NCH4_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
46       Which of the following well child checks has baby had: first 2 weeks? NCH4_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
47       Which of the following well child checks has baby had: about six weeks? NCH4_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
48       Which of the following well child checks has baby had: about three months? NCH4_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
49       Which of the following well child checks has baby had: about five months? NCH4_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
50       Which of the following well child checks has baby had: baby has had no well child checks? NCH4_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
51     C5 Who did your baby's well child checks at birth: midwife? NCH5_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
52       Who did your baby's well child checks at birth: Plunket/well child nurse? NCH5_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
53       Who did your baby's well child checks at birth: Public Health nurse? NCH5_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
54       Who did your baby's well child checks at birth: Maori health provider? NCH5_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
55       Who did your baby's well child checks at birth: Pacific health provider? NCH5_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
56       Who did your baby's well child checks at birth: GP/GP practice? NCH5_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
57       Who did your baby's well child checks at birth: Paediatrician/specialist? NCH5_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
58       Who did your baby's well child checks at birth: other? NCH5_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
59     C6 Who did your baby's well child checks in the first two weeks: midwife? NCH6_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
60       Who did your baby's well child checks in the first two weeks: Plunket/well child nurse? NCH6_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
61       Who did your baby's well child checks in the first two weeks: Public Health nurse? NCH6_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
62       Who did your baby's well child checks in the first two weeks: Maori health provider? NCH6_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
63       Who did your baby's well child checks in the first two weeks: Pacific health provider? NCH6_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
64       Who did your baby's well child checks in the first two weeks: GP/GP practice? NCH6_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
65       Who did your baby's well child checks in the first two weeks: Paediatrician/specialist? NCH6_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
66       Who did your baby's well child checks in the first two weeks: other? NCH6_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
67     C7 Who did your baby's well child checks at about six weeks: midwife? NCH7_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
68       Who did your baby's well child checks at about six weeks: Plunket/well child nurse? NCH7_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
69       Who did your baby's well child checks at about six weeks: Public Health nurse? NCH7_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
70       Who did your baby's well child checks at about six weeks: Maori health provider? NCH7_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
71       Who did your baby's well child checks at about six weeks: Pacific health provider? NCH7_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
72       Who did your baby's well child checks at about six weeks: GP/GP practice? NCH7_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
73       Who did your baby's well child checks at about six weeks: Paediatrician/specialist? NCH7_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
74       Who did your baby's well child checks at about six weeks: other? NCH7_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
75     C8 Who did your baby's well child checks at about three months: midwife? NCH8_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
76       Who did your baby's well child checks at about three months: Plunket/well child nurse? NCH8_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
77       Who did your baby's well child checks at about three months: Public Health nurse? NCH8_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
78       Who did your baby's well child checks at about three months: Maori health provider? NCH8_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
79       Who did your baby's well child checks at about three months: Pacific health provider? NCH8_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
80       Who did your baby's well child checks at about three months: GP/GP practice? NCH8_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
81       Who did your baby's well child checks at about three months: Paediatrician/specialist? NCH8_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
82       Who did your baby's well child checks at about three months: other? NCH8_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
83     C9 Who did your baby's well child checks at about five months: midwife? NCH9_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
84       Who did your baby's well child checks at about five months: Plunket/well child nurse? NCH9_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
85       Who did your baby's well child checks at about five months: Public health nurse? NCH9_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
86       Who did your baby's well child checks at about five months: Maori health provider? NCH9_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
87       Who did your baby's well child checks at about five months: Pacific health provider? NCH9_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
88       Who did your baby's well child checks at about five months: GP/GP practice? NCH9_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
89       Who did your baby's well child checks at about five months: Paediatrician/specialist? NCH9_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
90       Who did your baby's well child checks at about five months: other? NCH9_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
91 About Illnesses Illnesses C10 How many times has your baby had an ear infection? CH10_M9CM CH10M9CM 1 Never Categorised Upper extreme categorised
              2 1-3 Times    
              3 4-6 Times    
              4 7+ Times    
              98 RF    
              99 DK    
 
92     C11 How many of those times did baby see a doctor because of this ear infection? CH11_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
93     C12 How many times has baby been admitted to hospital because of an ear infection? CH12_M9CM CH12M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
94       How many times has 'baby' been admitted to hospital because of an ear infection: number of admissions? CH12NUM_M9CM CH12NM9C 0 None Categorised Upper extreme categorised
              1 1    
              2 2 or more times    
 
95     C13 At what age did baby have his/her first ear infection? CH13_M9CM CH13M9CM 1 Age provided Raw  
              98 RF    
              99 DK    
 
96       At what age did baby have his/her first ear infection (weeks)? CH13_WEEK_M9CM       Derived Values converted to weeks
 
97       At what age did baby have his/her first ear infection: months           Information contained in variable CH13_WEEK_M9CM
 
98       At what age did baby have his/her first ear infection: weeks           Information contained in variable CH13_WEEK_M9CM
 
99     C14 How many times has your baby had chest infections, wheezing, bronchiolitis, bronchitis, asthma, pneumonia, or croup? CH14_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
100     C15 How many times have they lasted more than a week? CH15_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
101     C16 How many times did baby see a doctor because of chest infections, wheezing bronchiolitis, bronchitis, asthma, pneumonia, or croup? CH16_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
102     C17 HHow many times did 'baby' been admitted to hospital because of a chest infection, wheezing bronchiolitis, bronchitis, asthma, pneumonia, or croup?? CH17_M9CM CH17M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
103       How many times did 'baby' been admitted to hospital because of a chest infection, wheezing bronchiolitis, bronchitis, asthma, pneumonia, or croup: number of admissions? CH17NUM_M9CM CH17NM9C 4 4 or more times Categorised Upper extreme categorised
 
104     C18 How many times has your baby had a cough lasting for a week or more? CH18_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
105     C19 How many of those times did baby see a doctor because of this cough? CH19_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
106     C20 How many times has baby been admitted to hospital because of a cough? CH20_M9CM CH20M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
107       How many times did 'baby' been admitted to hospital because of cough: number of admissions? CH20NUM_M9CM CH20NM9C 3 3 or more times Categorised Upper extreme categorised
 
108     C21 What is the longest time that baby has had a cough? CH21_M9CM CH21M9CM 1 Time provided Raw  
              98 RF    
              99 DK    
 
109       What is the longest time that baby has had a cough (weeks)? CH21_WEEK_M9CM CH21WEEK 30 30 and above Derived and Categorised Values converted to weeks. Upper extreme categorised
 
110       What is the longest time that baby has had a cough: months           Information contained in variable CH21_WEEK_M9CM
 
111       What is the longest time that baby has had a cough: weeks           Information contained in variable CH21_WEEK_M9CM
 
112     C22 How many times has your baby had gastroenteritis? CH22_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
113     C23 How many of those times did baby see a doctor because of this gastroenteritis? CH23_M9CM CH23M9CM 1 Never Categorised Upper extreme categorised
              2 1-3 Times    
              3 4 or more times    
              98 RF    
              99 DK    
 
114     C24 How many times has baby been admitted to hospital because of Gastroenteritis? CH24_M9CM CH24M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
115       How many times did 'baby' been admitted to hospital because of gastroenteritis: number of admissions? CH24NUM_M9CM CH24NM9C 2 2 or more times Categorised Upper extreme categorised
 
116     C25 How many times has your baby had a skin infection (where the skin is red and warm, or there are pustules or boils, or crusting or oozing)? CH25_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
117     C26 How many of those times did baby see a doctor because of this skin infection? CH26_M9CM CH26M9CM 1 Never Categorised Upper extreme categorised
              2 1-3 Times    
              3 4-6 Times    
              4 7 or more times    
              98 RF    
              99 DK    
 
118     C27 How many times has baby been admitted to hospital because of a skin infection? CH27_M9CM CH27M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
119       How many times did 'baby' been admitted to hospital because of skin infection: number of admissions? CH27NUM_M9CM CH27NM9C 0 None Categorised Upper extreme categorised
              1 1 or more times    
 
120     C28 How many times has your baby had an injury or accident? CH28_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
121     C29 How many of those times did baby see a doctor because of this injury or accident? CH29_M9CM CH29M9CM 1 Never Categorised Upper extreme categorised
              2 1-3 Times    
              3 4 or more times    
              98 RF    
              99 DK    
 
122     C30 How many times has baby been admitted to hospital because of an injury or accident? CH30_M9CM CH30M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
123       How many times did 'baby' been admitted to hospital because of injury or accident : number of admissions? CH30NUM_M9CM CH30NM9C 0 None Categorised Upper extreme categorised
              1 1 or more times    
 
124     C31 How many times has your baby accidentally eaten or drunk a harmful substance? CH31_M9CM CH31M9CM 1 Never Categorised Upper extreme categorised
              2 1-3 Times    
              3 4 or more times    
              98 RF    
              99 DK    
 
125     C32 How many of those times did baby see a doctor because they accidentally ate or drank a harmful substance? CH32_M9CM CH32M9CM 1 Never Categorised Upper extreme categorised
              2 1-2 or more times    
              98 RF    
              99 DK    
 
126     C33 How many times has baby been admitted to hospital because they accidentally ate or drank a harmful substance? CH33_M9CM NHSPM9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
127       How many times has baby been admitted to hospital because they accidentally ate or drank a harmful substance: number of admissions           Sensitive information with low cell counts
 
128     C34 Has your baby ever had eczema or dermatitis? CH34_M9CM YN2M9CM 1 Yes Raw  
              2 No    
              98 RF    
              99 DK    
 
129     C35 At what age did your baby first have eczema or dermatitis? CH35_M9CM CH35M9CM 1 Age provided Raw  
              98 RF    
              99 DK    
 
130       At what age did your baby first have eczema or dermatitis (weeks)? CH35_WEEK_M9CM       Derived Values converted to weeks
 
131       At what age did baby first have eczema or dermatitis: months           Information contained in variable CH35_WEEK_M9CM
 
132       At what age did baby first have eczema or dermatitis: weeks           Information contained in variable CH35_WEEK_M9CM
 
133     C36 How many times did baby see a doctor because of eczema or dermatitis? CH36_M9CM ILLM9CM 1 Never Raw  
              2 1-3 Times    
              3 4-6 Times    
              4 7-9 Times    
              5 10+ Times    
              98 RF    
              99 DK    
 
134     C37 How many times has baby been admitted to hospital because of Eczema or Dermatitis? CH37_M9CM CH37M9CM 1 Number of Admissions Raw  
              98 RF    
              99 DK    
 
135       How many times did 'baby' been admitted to hospital because of eczema or dermatitis: number of admissions? CH37NUM_M9CM CH37NM9C 0 None Categorised Upper extreme categorised
              1 1    
              2 2 or more times    
 
136   Immunisation C38 Which immunisations your baby has had (includes partial or full immunisations): birth? NCH38_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
137       Which immunisations your baby has had (includes partial or full immunisations): 6 weeks? NCH38_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
138       Which immunisations your baby has had (includes partial or full immunisations): 3 months? NCH38_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
139       Which immunisations your baby has had (includes partial or full immunisations): 5 months? NCH38_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
140       Which immunisations your baby has had (includes partial or full immunisations): hasn't had any immunisations or vaccinations? NCH38_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
141 Medication Medication C39 How often has Paracetemol been given to baby since 'he/she' was born? CH39_M9CM CH39M9CM 1 None Raw  
              2 1-10 Times    
              3 11-20 Times    
              4 21-30 Times    
              5 31+ Times    
              98 RF    
              99 DK    
 
142     C40 How often has Nurofen been given to baby since 'he/she' was born? CH40_M9CM CH39M9CM 1 None Raw  
              2 1-10 Times    
              3 11-20 Times    
              4 21-30 Times    
              5 31+ Times    
              98 RF    
              99 DK    
 
143     C41 How many courses of antibiotics prescribed by a doctor has baby had? CH41_M9CM CH41M9CM 1 None Raw  
              2 1-2 Courses    
              3 3-4 Courses    
              4 5-6 Courses    
              5 7+ Courses    
              98 RF    
              99 DK    
 
144   Oral Health and Hygiene C42 How many teeth does your baby have now? HY1_M9CM HY1M9CM 1 Number of teeth Raw  
              88 Has no teeth yet    
              98 RF    
              99 DK    
 
145       How many teeth does your baby have now: number of teeth HY1NUM_M9CM HY1NM9CM 12 12 or more Categorised Upper extreme categorised
 
146     C43 How old was he/she when the first one appeared? HY2_M9CM HY2M9CM 1 Age provided Raw  
              98 RF    
              99 DK    
 
147       How old was he/she when the first one appeared (weeks)? HY2_WEEK_M9CM       Derived Values converted to weeks
 
148       How old was he/she when the first one appeared: months           Information contained in variable HY2_WEEK_M9CM
 
149       How old was he/she when the first one appeared: weeks           Information contained in variable HY2_WEEK_M9CM
 
150     C44 Have you begun cleaning his/her teeth or gums? HY3_M9CM YN2M9CM 1 Yes Raw  
              2 No    
              98 RF    
              99 DK    
 
151     C45 How often does your baby have a bath/shower? HY4_M9CM HY4M9CM 1 More than once a day Raw  
              2 Once every day    
              3 Once every other day    
              4 Once a week    
              5 Hardly ever    
              98 RF    
              99 DK    
 
152   Sunlight exposure C46 Approximately how many hours has baby spent outdoors on an average week day in the last four weeks? HY5_M9CM HYM9CM 1 Number of hours Raw  
              88 Less than 1 hour    
              89 No exposure at all    
              98 RF    
              99 DK    
 
153       Approximately how many hours has baby spent outdoors on an average week day: hours HY5H_M9CM       Raw  
 
154     C47 Approximately how many hours has baby spent outdoors on an average weekend day in the last four weeks? HY6_M9CM HYM9CM 1 Number of hours Raw  
              88 Less than 1 hour    
              89 No exposure at all    
              98 RF    
              99 DK    
 
155       Approximately how many hours has baby spent outdoors on an average weekend day: hours HY6H_M9CM       Raw  
 
156 Baby's weight\Feeding\Diet and nutrition Baby's weight C48 Think about the last time your baby was weighed. How much did your baby weigh then CW2_M9CM CW2M9CM 1 Weight provided Raw  
              98 RF    
              99 DK    
 
157       Child's weight reported at 9 months data collection (grams) WEIGHT_M9CM       Derived  
 
158       Think about the last time your baby was weighed. How much did your baby weigh then: pounds           Information contained in variable WEIGHT_M9CM
 
159       Think about the last time your baby was weighed. How much did your baby weigh then: ounces           Information contained in variable WEIGHT_M9CM
 
160       Think about the last time your baby was weighed. How much did your baby weigh then: kilograms           Information contained in variable WEIGHT_M9CM
 
161       Think about the last time your baby was weighed. How much did your baby weigh then: grams           Information contained in variable WEIGHT_M9CM
 
162     C49 How old was your baby at the time he/she was last weighed? CW1_M9CM CW1M9CM 1 Age provided Raw Age in weeks
              98 RF    
              99 DK    
 
163       How old was your baby at the time he/she was last weighed (weeks)? CW1_WEEK_M9CM       Derived Age in weeks
 
164       How old was your baby at the time he/she was last weighed: months           Information contained in variable CW1_WEEK_M9CM
 
165       How old was your baby at the time he/she was last weighed: weeks           Information contained in variable CW1_WEEK_M9CM
 
166     C50 Do you think baby is...? CW3_M9CM CW3M9CM 1 Very underweight Raw  
              2 Somewhat underweight    
              3 Normal weight    
              4 Somewhat overweight    
              5 Very overweight    
              98 RF    
              99 DK    
 
167   Breastfeeding/Feeding C51 Did you ever breastfeed this baby ( breastfeeding includes feeding expressed milk)? CN1_M9CM CN1M9CM 1 Still breastfeeding Raw  
              2 Breastfed but stopped    
              3 Never breastfed    
              98 RF    
              99 DK    
 
168     C52 How many times a day (24 hour period) on average do you currently breastfeed? CN2_M9CM CN2M9CM 1 Times per day Raw  
              87 Less than once per day    
              98 RF    
              99 DK    
 
169       How many times a day (24 hour period) on average do you currently breastfeed: times per day CN2NUM_M9CM       Raw  
 
170     C53 How long on average does it take for each breast feed? CN3_M9CM CN3M9CM 1 Time provided Raw  
              98 RF    
              99 DK    
 
171       How long on average does it take for each breast feed (minutes)? CN3_MIN_M9CM CN3MIN 60 60 or more Derived and Categorised Values converted to minutes. Upper extreme categorised
 
172       How long on average does it take for each breast feed: minutes           Information contained in variable CW1_WEEK_M9CM
 
173       How long on average does it take for each breast feed: hours           Information contained in variable CW1_WEEK_M9CM
 
174     C54 How long did you exclusively breastfeed (for biological mothers only)? CN4_M9CM CN4M9CM 1 Time provided Raw  
              88 Still exclusively breastfeeding    
              98 RF    
              99 DK    
 
175       How long did you exclusively breastfeed (for biological mothers only) (months)? CN4_MONTH_M9CM CN4MON 9 9 and more Derived and Categorised Values converted to months. Upper extreme categorised
 
176       How long did you exclusively breastfeed: months           Information contained in variable CN4_MONTH_M9CM
 
177       How long did you exclusively breastfeed: weeks           Information contained in variable CN4_MONTH_M9CM
 
178       How long did you exclusively breastfeed: days           Information contained in variable CN4_MONTH_M9CM
 
179     C55 How long did you exclusively breastfeed (for biological mothers who have stopped breastfeeding)? CN5_M9CM CN5M9CM 1 Time provided Raw  
              98 RF    
              99 DK    
 
180       How long did you exclusively breastfeed (for biological mothers who have stopped breastfeeding) (months)? CN5_MONTH_M9CM CN5MON 8 8 and more Derived and Categorised Values converted to months. Upper extreme categorised
 
181       How long did you exclusively breastfeed: months           Information contained in variable CN5_MONTH_M9CM
 
182       How long did you exclusively breastfeed: weeks           Information contained in variable CN5_MONTH_M9CM
 
183       How long did you exclusively breastfeed: days           Information contained in variable CN5_MONTH_M9CM
 
184     C56 How old was your baby when you stopped breastfeeding? CN6_M9CM CN6M9CM 1 Time provided Raw  
              98 RF    
              99 DK    
 
185       How old was your baby when you stopped breastfeeding (months)? CN6_MONTH_M9CM CN6MON 10 10 and more Derived and Categorised Values converted to months. Upper extreme categorised
 
186       How old was your baby when you stopped breastfeeding: months           Information contained in variable CN6_MONTH_M9CM
 
187       How old was your baby when you stopped breastfeeding: weeks           Information contained in variable CN6_MONTH_M9CM
 
188       How old was your baby when you stopped breastfeeding: days           Information contained in variable CN6_MONTH_M9CM
 
189     C57 Why did you stop breastfeeding: had breast fed long enough? NCN7_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
190       Why did you stop breastfeeding: baby had trouble latching on? NCN7_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
191       Why did you stop breastfeeding: didn't have enough milk? NCN7_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
192       Why did you stop breastfeeding: breast milk alone did not seem to satisfy baby? NCN7_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
193       Why did you stop breastfeeding: painful breasts? NCN7_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
194       Why did you stop breastfeeding: baby not gaining enough weight? NCN7_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
195       Why did you stop breastfeeding: baby lost interest/self weaned? NCN7_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
196       Why did you stop breastfeeding: I wanted/needed someone else to feed the baby? NCN7_8_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
197       Why did you stop breastfeeding: went back to work and expressing breast milk not convenient/possible? NCN7_9_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
198       Why did you stop breastfeeding: new pregnancy? NCN7_10_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
199       Why did you stop breastfeeding: baby was old enough that the difference between breast milk and formula was minimal? NCN7_11_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
200       Why did you stop breastfeeding: teething/biting? NCN7_13_M9CM YNM9CM 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 RF    
              99 DK    
 
201       Why did you stop breastfeeding: mothers health concerns? NCN7_14_M9CM YNM9CM 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 RF    
              99 DK    
 
202       Why did you stop breastfeeding: other? NCN7_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
203     C58 For non-biological mother only, was baby breastfed?           Non-biological mothers responded to questions from C58–C59. These questions offer low discrimination and present identification risk
 
204     C59 For non-biological mother only, how old was baby when breastfeeding ended?           Non-biological mothers responded to questions from C58–C59. These questions offer low discrimination and present identification risk
 
205       For non-biological mother only, how old was baby when breastfeeding ended: months           Non-biological mothers responded to questions from C58–C59. These questions offer low discrimination and present identification risk
 
206       For non-biological mother only, how old was baby when breastfeeding ended: weeks           Non-biological mothers responded to questions from C58–C59. These questions offer low discrimination and present identification risk
 
207       For non-biological mother only, how old was baby when breastfeeding ended: days           Non-biological mothers responded to questions from C58–C59. These questions offer low discrimination and present identification risk
 
208     C60 Has your baby ever had infant milk formula or milk other than breast milk? CN10_M9CM YN2M9CM 1 Yes Raw  
              2 No    
              98 RF    
              99 DK    
 
209     C61 How old was your baby when he/she was first fed this infant milk formula or other milk? CN11_M9CM CN11M9CM 1 Age provided Raw  
              98 RF    
              99 DK    
 
210       How old was your baby when he/she was first fed this infant milk formula or other milk (months)? CN11_MONTH_M9CM CN11MON 10 10 and more Derived and Categorised Values converted to months. Upper extreme categorised
 
211       How old was your baby when he/she was first fed this infant milk formula or other milk: months           Information contained in variable CN11_MONTH_M9CM
 
212       How old was your baby when he/she was first fed this infant milk formula or other milk: weeks           Information contained in variable CN11_MONTH_M9CM
 
213       How old was your baby when he/she was first fed this infant milk formula or other milk: days           Information contained in variable CN11_MONTH_M9CM
 
214     C62 Which of these different milk formulas or milks have been given to baby: pasteurised/bottled cow's milk? NCN12_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
215       Which of these different milk formulas or milks have been given to baby: cow's milk infant formula? NCN12_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
216       Which of these different milk formulas or milks have been given to baby: follow-on formula? NCN12_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
217       Which of these different milk formulas or milks have been given to baby: soy formula? NCN12_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
218       Which of these different milk formulas or milks have been given to baby: goat's milk formula? NCN12_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
219       Which of these different milk formulas or milks have been given to baby: hypoallergenic formula? NCN12_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
220       Which of these different milk formulas or milks have been given to baby: lactose free? NCN12_8_M9CM YNM9CM 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 RF    
              99 DK    
 
221       Which of these different milk formulas or milks have been given to baby: anti reflux? NCN12_9_M9CM YNM9CM 0 No Re-classified Other specified text responses translated into a new numeric variable
              1 Yes    
              98 RF    
              99 DK    
 
222       Which of these different milk formulas or milks have been given to baby: other milk? NCN12_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
223       Which of these formulas is baby currently having: pasteurised/bottled cow's milk? NCN13_1_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
224       Which of these formulas is baby currently having: cow's milk infant formula? NCN13_2_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
225       Which of these formulas is baby currently having: follow-on formula? NCN13_3_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
226       Which of these formulas is baby currently having: soy formula? NCN13_4_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
227       Which of these formulas is baby currently having: goat's milk formula? NCN13_5_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
228       Which of these formulas is baby currently having: hypoallergenic formula? NCN13_6_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
229       Which of these formulas is baby currently having: other milk? NCN13_97_M9CM CN13M9CM 0 No Raw  
              1 Yes    
              87 None of these    
              98 RF    
              99 DK    
 
230     C63A How many times per day does baby have pasteurised/bottled cow's milk now? CN14_1_M9CM       Raw  
 
231     C64A How many times per day does baby have cow's milk infant formula now? CN14_2_M9CM       Raw  
 
232     C65A How many times per day does baby have follow-on formula now? CN14_3_M9CM       Raw  
 
233     C66A How many times per day does baby have soy formula now? CN14_4_M9CM       Raw  
 
234     C67A How many times per day does baby have goat's milk formula now? CN14_5_M9CM       Raw  
 
235     C68A How many times per day does baby have hypoallergenic formula now? CN14_6_M9CM       Raw  
 
236     C69A How many times per day does baby have other milk now? CN14_97_M9CM       Raw  
 
237     C63B Approx how many mls of cow's milk does baby have per feed? CN15_1_M9CM       Raw  
 
238     C64B Approx how many mls of cow's milk infant formula does baby have per feed? CN15_2_M9CM       Raw  
 
239     C65B Approx how many mls of follow-on formula does baby have per feed? CN15_3_M9CM       Raw  
 
240     C66B Approx how many mls of soy formula does baby have per feed? CN15_4_M9CM       Raw  
 
241     C67B Approx how many mls of goat's milk formula does baby have per feed? CN15_5_M9CM       Raw  
 
242     C68B Approx how many mls of hypoallergenic formula does baby have per feed? CN15_6_M9CM       Raw  
 
243     C69B Approx how many mls of other milk does baby have per feed? CN15_97_M9CM       Raw  
 
244     C70 Does baby finish all his/her bottle/cup of milk formula or milk? CN27_M9CM CN27M9CM 1 All or almost all Raw  
              2 At least half of all    
              3 Less than half of all    
              98 RF    
              99 DK    
 
245   Feeding position C71 When your baby has a bottle/cup how often is he/she being held and fed a bottle by a carer? CN28_M9CM CN28M9CM 1 Never Raw  
              2 Sometimes    
              3 Always    
              98 RF    
              99 DK    
 
246     C72 When your baby has a bottle/cup how often is he/she lying down and feeding him/herself? CN29_M9CM CN28M9CM 1 Never Raw  
              2 Sometimes    
              3 Always    
              98 RF    
              99 DK    
 
247   Diet\Nutrition C73 Which of the food baby has tried: baby rice? NCN32_1_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
248     C74 Which of the food baby has tried: baby breakfast cereal? NCN32_2_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
249     C75 Which of the food baby has tried: other cereal? NCN32_3_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
250     C76 Which of the food baby has tried: bread or toast? NCN32_4_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
251     C77 Which of the food baby has tried: rusks? NCN32_5_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
252     C78 Which of the food baby has tried: biscuits? NCN32_6_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
253     C79 Which of the food baby has tried: vegetables (raw or cooked)? NCN32_7_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
254     C80 Which of the food baby has tried: fruit (includes fresh and canned)? NCN32_8_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
255     C81 Which of the food baby has tried: meat, chicken, meat dishes? NCN32_9_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
256     C82 Which of the food baby has tried: fish, fish dishes (includes fresh and canned)? NCN32_10_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
257     C83 Which of the food baby has tried: eggs? NCN32_11_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
258     C84 Which of the food baby has tried: milk puddings, rice pudding, yoghurt, custards? NCN32_12_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
259     C85 Which of the food baby has tried: nuts or peanut butter? NCN32_13_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
260     C86 Which of the food baby has tried: shellfish? NCN32_14_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
261     C87 Which of the food baby has tried: soy foods, tofu, soy desserts? NCN32_15_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
262     C88 Which of the food baby has tried: sweets? NCN32_16_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
263     C89 Which of the food baby has tried: chocolate? NCN32_17_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
264     C90 Which of the food baby has tried: hot chips? NCN32_18_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
265     C91 Which of the food baby has tried: potato chips (crisps)? NCN32_19_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
266     C92 Which of the food baby has tried: fruit juices (includes watered down juice)? NCN32_20_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
267     C93 Which of the food baby has tried: herbal drinks? NCN32_21_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
268     C94 Which of the food baby has tried: tea? NCN32_22_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
269     C95 Which of the food baby has tried: coffee? NCN32_23_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
270     C96 Which of the food baby has tried: soft drinks? NCN32_24_M9CM CN32M9CM 0 No, have not tried these foods Raw  
              1 Yes, tried these foods    
              87 None of these foods    
              98 RF    
              99 DK    
 
271     C73A Indicate age in months when your baby first tried baby rice CN33_1_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
272     C74A Indicate age in months when your baby first tried baby breakfast cereal CN33_2_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
273     C75A Indicate age in months when your baby first tried other cereal CN33_3_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
274     C76A Indicate age in months when your baby first tried bread or toast CN33_4_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
275     C77A Indicate age in months when your baby first tried rusks CN33_5_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
276     C78A Indicate age in months when your baby first tried biscuits CN33_6_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
277     C79A Indicate age in months when your baby first tried vegetables (raw or cooked) CN33_7_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
278     C80A Indicate age in months when your baby first tried fruit (includes fresh and canned) CN33_8_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
279     C81A Indicate age in months when your baby first tried meat, chicken, meat dishes CN33_9_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
280     C82A Indicate age in months when your baby first tried fish dishes (includes fresh and canned) CN33_10_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
281     C83A Indicate age in months when your baby first tried eggs CN33_11_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
282     C84A Indicate age in months when your baby first tried milk puddings, rice pudding, yoghurt, custards CN33_12_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
283     C85A Indicate age in months when your baby first tried nuts or peanut butter CN33_13_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
284     C86A Indicate age in months when your baby first tried shellfish CN33_14_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
285     C87A Indicate age in months when your baby first tried soy foods, tofu, soy desserts CN33_15_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
286     C88A Indicate age in months when your baby first tried sweets CN33_16_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
287     C89A Indicate age in months when your baby first tried chocolate CN33_17_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
288     C90A Indicate age in months when your baby first tried hot chips CN33_18_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
289     C91A Indicate age in months when your baby first tried potato chips (crisps) CN33_19_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
290     C92A Indicate age in months when your baby first tried fruit juices (includes watered down juice) CN33_20_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
291     C93A Indicate age in months when your baby first tried herbal drinks CN33_21_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
292     C94A Indicate age in months when your baby first tried tea CN33_22_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
293     C95A Indicate age in months when your baby first tried coffee CN33_23_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
294     C96A Indicate age in months when your baby first tried soft drinks CN33_24_M9CM CN33M9CM 1 Month provided Raw  
              98 RF    
              99 DK    
 
295       Baby rice: months CN33M_1_M9CM       Raw  
 
296       Baby breakfast cereal: months CN33M_2_M9CM       Raw  
 
297       Other cereal: months CN33M_3_M9CM       Raw  
 
298       Bread or toast: months CN33M_4_M9CM       Raw  
 
299       Rusks: months CN33M_5_M9CM       Raw  
 
300       Biscuits: months CN33M_6_M9CM       Raw  
 
301       Vegetables (raw or cooked): months CN33M_7_M9CM       Raw  
 
302       Fruit (includes fresh and canned): months CN33M_8_M9CM       Raw  
 
303       Meat, chicken, meat dishes: months CN33M_9_M9CM       Raw  
 
304       Fish dishes (includes fresh and canned): months CN33M_10_M9CM       Raw  
 
305       Eggs: months CN33M_11_M9CM       Raw  
 
306       Milk puddings, rice pudding, yoghurt, custards: months CN33M_12_M9CM       Raw  
 
307       Nuts or peanut butter: months CN33M_13_M9CM       Raw  
 
308       Shellfish: months CN33M_14_M9CM       Raw  
 
309       Soy foods, tofu, soy desserts: months CN33M_15_M9CM       Raw  
 
310       Sweets: months CN33M_16_M9CM       Raw  
 
311       Chocolate: months CN33M_17_M9CM       Raw  
 
312       Hot chips: months CN33M_18_M9CM       Raw  
 
313       Potato chips (crisps): months CN33M_19_M9CM       Raw  
 
314       Fruit juices (includes watered down juice): months CN33M_20_M9CM       Raw  
 
315       Herbal drinks: months CN33M_21_M9CM       Raw  
 
316       Tea: months CN33M_22_M9CM       Raw  
 
317       Coffee: months CN33M_23_M9CM       Raw  
 
318       Soft drinks: months CN33M_24_M9CM       Raw  
 
319     C73B How often does baby have baby rice currently? CN34_1_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
320     C74B How often does baby have baby breakfast cereal currently? CN34_2_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
321     C75B How often does baby have other cereal currently? CN34_3_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
322     C76B How often does baby have bread or toast currently? CN34_4_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
323     C77B How often does baby have rusks currently? CN34_5_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
324     C78B How often does baby have biscuits currently? CN34_6_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
325     C79B How often does baby have vegetables (raw or cooked) currently? CN34_7_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
326     C80B How often does baby have fruit (includes fresh and canned) currently? CN34_8_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
327     C81B How often does baby have meat, chicken, meat dishes currently? CN34_9_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
328     C82B How often does baby have fish dishes (includes fresh and canned) currently? CN34_10_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
329     C83B How often does baby have eggs currently? CN34_11_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
330     C84B How often does baby have milk puddings, rice pudding, yoghurt, custards currently? CN34_12_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
331     C85B How often does baby have nuts or peanut butter currently? CN34_13_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
332     C86B How often does baby have shellfish currently? CN34_14_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
333     C87B How often does baby have soy foods, tofu, soy desserts currently? CN34_15_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
334     C88B How often does baby have sweets currently? CN34_16_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
335     C89B How often does baby have chocolate currently? CN34_17_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
336     C90B How often does baby have hot chips currently? CN34_18_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
337     C91B How often does baby have potato chips (crisps) currently? CN34_19_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
338     C92B How often does baby have fruit juices (includes watered down juice) currently? CN34_20_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
339     C93B How often does baby have herbal drinks currently? CN34_21_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
340     C94B How often does baby have tea currently? CN34_22_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
341     C95B How often does baby have coffee currently? CN34_23_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
342     C96B How often does baby have soft drinks currently? CN34_24_M9CM CN34M9CM 1 Times per day Raw  
              2 Times per week    
              88 Less than weekly    
              89 No longer fed    
              98 RF    
              99 DK    
 
343       Baby rice: times per day CN34D_1_M9CM       Raw  
 
344       Baby breakfast cereal: times per day CN34D_2_M9CM       Raw  
 
345       Other cereal: times per day CN34D_3_M9CM       Raw  
 
346       Bread or toast: times per day CN34D_4_M9CM       Raw  
 
347       Rusks: times per day CN34D_5_M9CM       Raw  
 
348       Biscuits: times per day CN34D_6_M9CM       Raw  
 
349       Vegetables (raw or cooked): times per day CN34D_7_M9CM       Raw  
 
350       Fruit (includes fresh and canned): times per day CN34D_8_M9CM       Raw  
 
351       Meat, chicken, meat dishes: times per day CN34D_9_M9CM       Raw  
 
352       Fish dishes (includes fresh and canned): times per day CN34D_10_M9CM       Raw  
 
353       Eggs: times per day CN34D_11_M9CM       Raw  
 
354       Milk puddings, rice pudding, yoghurt, custards: times per day CN34D_12_M9CM       Raw  
 
355       Nuts or peanut butter: times per day CN34D_13_M9CM       Raw  
 
356       Shellfish: times per day CN34D_14_M9CM       Raw  
 
357       Soy foods, tofu, soy desserts?: times per day CN34D_15_M9CM       Raw  
 
358       Sweets: times per day CN34D_16_M9CM       Raw  
 
359       Chocolate: times per day CN34D_17_M9CM       Raw  
 
360       Hot chips: times per day CN34D_18_M9CM       Raw  
 
361       Potato chips (crisps): times per day CN34D_19_M9CM       Raw  
 
362       Fruit juices (includes watered down juice): times per day CN34D_20_M9CM       Raw  
 
363       Herbal drinks: times per day CN34D_21_M9CM       Raw  
 
364       Tea: times per day CN34D_22_M9CM       Raw  
 
365       Coffee: times per day CN34D_23_M9CM       Raw  
 
366       Soft drinks: times per day CN34D_24_M9CM       Raw  
 
367       Baby rice: weeks CN34W_1_M9CM       Raw  
 
368       Baby breakfast cereal: weeks CN34W_2_M9CM       Raw  
 
369       Other cereal: weeks CN34W_3_M9CM       Raw  
 
370       Bread or toast: weeks CN34W_4_M9CM       Raw  
 
371       Rusks: weeks CN34W_5_M9CM       Raw  
 
372       Biscuits: weeks CN34W_6_M9CM       Raw  
 
373       Vegetables (raw or cooked): weeks CN34W_7_M9CM       Raw  
 
374       Fruit (includes fresh and canned): weeks CN34W_8_M9CM       Raw  
 
375       Meat, chicken, meat dishes: weeks CN34W_9_M9CM       Raw  
 
376       Fish dishes (includes fresh and canned): weeks CN34W_10_M9CM       Raw  
 
377       Eggs: weeks CN34W_11_M9CM       Raw  
 
378       Milk puddings, rice pudding, yoghurt, custards: weeks CN34W_12_M9CM       Raw  
 
379       Nuts or peanut butter: weeks CN34W_13_M9CM       Raw  
 
380       Shellfish: weeks CN34W_14_M9CM       Raw  
 
381       Soy foods, tofu, soy desserts: weeks CN34W_15_M9CM       Raw  
 
382       Sweets: weeks CN34W_16_M9CM       Raw  
 
383       Chocolate: weeks CN34W_17_M9CM       Raw  
 
384       Hot chips: weeks CN34W_18_M9CM       Raw  
 
385       Potato chips (crisps): weeks CN34W_19_M9CM       Raw  
 
386       Fruit juices (includes watered down juice): weeks CN34W_20_M9CM       Raw  
 
387       Herbal drinks: weeks CN34W_21_M9CM       Raw  
 
388       Tea: weeks CN34W_22_M9CM       Raw  
 
389       Coffee: weeks CN34W_23_M9CM       Raw  
 
390       Soft drinks: weeks CN34W_24_M9CM       Raw  
 
391     C97 Is baby's food mostly homemade, or from jars, tins, and packets? CN78_M9CM CN78M9CM 1 Mostly homemade Raw  
              2 Mostly jars, tins and packets    
              3 About half and half    
              98 RF    
              99 DK    
 
392     C98 Do you add salt to your baby's food or milk? CN79_M9CM CN79M9CM 1 Yes Raw  
              2 No    
              3 Sometimes    
              98 RF    
              99 DK    
 
393     C99 Do you add sugar to your baby's food or milk? CN80_M9CM CN79M9CM 1 Yes Raw  
              2 No    
              3 Sometimes    
              98 RF    
              99 DK    
 
394     C100 Which of the following are sources of information for you about your baby's diet: family or friends? NCN81_1_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
395       Which of the following are sources of information for you about your baby's diet: Plunket helpline? NCN81_2_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
396       Which of the following are sources of information for you about your baby's diet: Plunket? NCN81_3_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
397       Which of the following are sources of information for you about your baby's diet: Public Health? NCN81_4_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
398       Which of the following are sources of information for you about your baby's diet: Maori health provider? NCN81_5_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
399       Which of the following are sources of information for you about your baby's diet: Pacific health provider? NCN81_6_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
400       Which of the following are sources of information for you about your baby's diet: GP? NCN81_7_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
401       Which of the following are sources of information for you about your baby's diet: midwife? NCN81_8_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
402       Which of the following are sources of information for you about your baby's diet: pharmacist? NCN81_9_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
403       Which of the following are sources of information for you about your baby's diet: magazines? NCN81_10_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
404       Which of the following are sources of information for you about your baby's diet: internet? NCN81_11_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
405       Which of the following are sources of information for you about your baby's diet: books? NCN81_12_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
406       Which of the following are sources of information for you about your baby's diet: none of these? NCN81_14_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
407       Which of the following are sources of information for you about your baby's diet: self knowledge? NCN81_15_M9CM YNM9CM 0 No Re-classified Other specified text responses have been translated into a new numeric variable
              1 Yes    
              98 RF    
              99 DK    
 
408       Which of the following are sources of information for you about your baby's diet: other? NCN81_97_M9CM YNM9CM 0 No Raw  
              1 Yes    
              98 RF    
              99 DK    
 
409     C101 In how many meals each day (24 hour period) does baby eat solids now? CN84_M9CM CN84M9CM 1 Numbers each day provided Raw  
              88 Less than once per day    
              98 RF    
              99 DK    
 
410       In how many meals each day (24 hour period) does baby eat solids now: number of solid meals each day? CN84NUM_M9CM       Categorised Upper extremes categorised
 
411 Baby's behaviour Baby behaviour C102 In terms of your baby's behaviour, how typical has the last week been for your baby? IB1_M9CM IB1M9CM 1 Not typical at all Raw  
              5 Very typical    
              98 RF    
              99 DK    
 
412   Baby's reaction to challenges C103 When tired, how often did your baby show distress? IB4_M9CM IBM9CM 1 Does not apply Raw Please refer to External Data Release 2017 Reference and Process User Guide.
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
413     C104 When introduced to an unfamiliar adult, how often did the baby cling to a parent? IB5_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
414     C105 When it was time for bed or a nap and your baby did not want to go, how often did he/she whimper, cry, or sob? IB10_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
415     C106 After sleeping, how often did the baby cry if someone didn't come within a few minutes? IB11_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
416     C107 How often did the baby seem angry (crying and fussing) when you left her/him in the cot? IB17_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
417     C108 How often during the last week did the baby startle at a sudden change in body position (e.g., when moved suddenly)? IB18_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
418     C109 At the end of an exciting day, how often did your baby become tearful? IB23_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
419     C110 How often during the last week did the baby protest being placed in a confining place (infant seat, play pen, car seat, etc.)? IB24_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
420     C111 When introduced to an unfamiliar adult, how often did the baby refuse to go to the unfamiliar person? IB29_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
421     C112 When you were busy with another activity, and your baby was not able to get your attention, how often did he/she cry? IB30_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
422     C113 When the baby wanted something, how often did he/she become upset when he/she could not get what he/she wanted? IB33_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
423     C114 When in the presence of several unfamiliar adults, how often did the baby cling to a parent? IB34_M9CM IBM9CM 1 Does not apply Raw Please refer to External Data Release 2017 Reference and Process User Guide.
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
424   What baby can do C115 Does baby lift his/her head when he/she is upright and hold it steady? MT1_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
425     C116 Does baby roll over on to his/her side when lying on his/her stomach? MT2_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
426     C117 Shake or bang a rattle or other toy when given it? MT3_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
427     C118 Reach for objects such as a toy or bottle with one hand? MT4_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
428     C119 Smile or laugh while looking at you? SB1_M9CM MTM9CM 1 Not yet Raw Please refer to External Data Release 2017 Reference and Process User Guide.
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
429     C120 Do you know when your baby is happy and when your baby is upset? SB7_M9CM MTM9CM 1 Not yet Raw Please refer to External Data Release 2017 Reference and Process User Guide.
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
430     C121 Does baby sit without any support for 30 seconds or more? MT5_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
431     C122 Does baby crawl on his/her hands and knees for about 5 metres without falling? MT6_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
432     C123 Let you know that he/she needs help or wants an object out of reach? SB2_M9CM MTM9CM 1 Not yet Raw For C123-C131, please refer to External Data Release 2017 Reference and Process User Guide.
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
433     C124 Do things just to get you to laugh? SB3_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
434     C125 Try to get you to notice interesting objects, just to get you to look at the objects, not to get you do anything with them? SB4_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
435     C126 Use sounds or words to get attention or help? SB5_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
436     C127 String sounds together, such as uh oh, mama, gaga, bye bye, bada? SB6_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
437     C128 When your baby plays with toys, does he/she look at you to see if you are watching? SB8_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
438     C129 When you look at and point to a toy across the room, does your baby look at it? SB9_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
439     C130 When you are not paying attention to your baby, does he/she try to get your attention? SB10_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
440     C131 When you call your baby’s name, does he/she respond by looking or turning toward you? SB11_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
441     C132 Does baby extend his/her arm to show you something he/she is holding? MC1_M9CM MTM9CM 1 Not yet Raw For C132-C139, please refer to External Data Release 2017 Reference and Process User Guide.
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
442     C133 Does baby reach out and give you a toy or some object that he/she is holding? MC2_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
443     C134 Point (with arm and index finger extended) at some interesting object or event? MC3_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
444     C135 Wave bye bye on his/her own when someone leaves? MC4_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
445     C136 Extend his/her arm upward to signal a wish to be picked up? MC5_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
446     C137 Shake head 'no'? MC6_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
447     C138 Nod head 'yes'? MC7_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
448     C139 Gesture 'sshh' by placing finger to lips? MC8_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
449     C140 Use objects such as furniture to pull his/her self up to stand? MT7_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
450     C141 Request something by extending his/her arm and opening and closing his/her hand? MC9_M9CM MTM9CM 1 Not yet Raw For C141-C144, please refer to External Data Release 2017 Reference and Process User Guide.
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
451     C142 Blow kisses from a distance? MC10_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
452     C143 Smack lips in a 'yum yum' gesture to indicate when something tastes good? MC11_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
453     C144 Shrug to indicate 'All gone' or 'Where did it go'? MC12_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
454     C145 Stand up from a sitting position without help? MT8_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
455     C146 Walk across the room with help (using furniture or with the hand held)? MT9_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
456     C147 Walk across the room without help? MT10_M9CM MTM9CM 1 Not yet Raw  
              2 Sometimes    
              3 Often    
              98 RF    
              99 DK    
 
457     C148 About how many of the following consonant sounds does your baby use: ma, na, ba, da, ga, wa, la, ya, sa, sha? SB12_M9CM SB12M9CM 1 None Raw  
              2 1-2 sounds    
              3 3-4 sounds    
              4 5-8 sounds    
              5 Over 8 sounds    
              98 RF    
              99 DK    
 
458     C149 About how many different words or phrases does your baby understand without gestures? SB13_M9CM SB12M9CM 1 None Raw  
              2 1-2 sounds    
              3 3-4 sounds    
              4 5-8 sounds    
              5 Over 8 sounds    
              98 RF    
              99 DK    
 
459   Baby's activity level C150 When being dressed or undressed during the last week, how often did the baby squirm and/or try to roll away? IB2_M9CM IBM9CM 1 Does not apply Raw For C150-C162, please refer to External Data Release 2017 Reference and Process User Guide.
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
460     C151 When tossed around playfully how often did the baby laugh? IB3_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
461     C152 How often during the week did your baby move quickly toward new objects? IB8_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
462     C153 When in the bath water, how often did the baby laugh? IB9_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
463     C154 When placed on his/her back, how often did the baby squirm and/or turn their body? IB14_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
464     C155 During a game such as peek-a-boo, how often did the baby laugh? IB15_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
465     C156 How often did your baby look up from playing when the telephone rang? IB16_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
466     C157 When visiting a new place, how often did your baby get excited about exploring new surroundings? IB21_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
467     C158 How often during the last week did the baby smile or laugh when given a toy? IB22_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
468     C159 When hair was washed, how often did the baby make a noise (vocalisation) excluding crying? IB27_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
469     C160 How often did your baby notice the sound of loud noise, for example, sound of a train, plane, or truck passing? IB28_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
470     C161 How often did your baby make talking sounds when riding in a car? IB37_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
471     C162 When placed in an infant seat or car seat, how often did the baby squirm and turn their body? IB38_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
472   Expectation about baby's development C163 How well is your baby meeting your expectations for his/her motor development? EX1_M9CM EXM9CM 1 Does not meet my expectations at all Raw  
              2 Meets my expectations somewhat    
              3 Meets my expectations    
              4 Exceeds my expectations    
              98 RF    
              99 DK    
 
473     C164 How well is your baby meeting your expectations for his/her social development? EX2_M9CM EXM9CM 1 Does not meet my expectations at all Raw  
              2 Meets my expectations somewhat    
              3 Meets my expectations    
              4 Exceeds my expectations    
              98 RF    
              99 DK    
 
474     C165 How well is your baby meeting your expectations for his/her language development? EX3_M9CM EXM9CM 1 Does not meet my expectations at all Raw  
              2 Meets my expectations somewhat    
              3 Meets my expectations    
              4 Exceeds my expectations    
              98 RF    
              99 DK    
 
475   Things that baby enjoys doing C166 How often during the last week did the baby enjoy being read to? IB6_M9CM IBM9CM 1 Does not apply Raw For C166-C177, please refer to External Data Release 2017 Reference and Process User Guide.
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
476     C167 How often during the last week did the baby play with one toy or object for 5–10 minutes? IB7_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
477     C168 In the last week, while being fed, how often did the baby seem eager to get away as soon as the feeding was over? IB12_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
478     C169 When singing or talking to your baby, how often did he/she soothe immediately? IB13_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
479     C170 How often during the last week did the baby enjoy hearing the sound of words, as in nursery rhymes? IB19_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
480     C171 How often during the last week did the baby look at pictures in books and/or magazines for 5 minutes or longer at a time? IB20_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
481     C172 When being held, in the last week, did your baby seem to enjoy him/her self? IB25_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
482     C173 When showing the baby something to look at, how often did he/she soothe immediately? IB26_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
483     C174 How often during the last week did the baby enjoy gentle rhythmic activities, such as rocking or swaying? IB31_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
484     C175 How often during the last week did the baby stare at a mobile, cot bumper or picture for 5 minutes or longer? IB32_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
485     C176 When rocked or hugged, in the last week, did your baby seem to enjoy him/her self? IB35_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
486     C177 When patting or gently rubbing some part of the baby's body, how often did he/she soothe immediately? IB36_M9CM IBM9CM 1 Does not apply Raw  
              2 Never    
              3 Very rarely    
              4 Less than half the time    
              5 About half the time    
              6 More than half the time    
              7 Almost always    
              8 Always    
              98 RF    
              99 DK    
 
487       Child's age at 9 month data collection AGE_M9CM       Derived Age in weeks
 
488       Were the 6-week, 3-month and 5-month immunisations all given? VAC_ALL6_NUM_NIR1       Derived Participants were linked with National Immunisation Register data and then the information was derived.
 
489       Were the 6-week, 3-month and 5-month immunisations all given on time? VAC_ALL6_ONTIME_NIR1       Derived Participants were linked with National Immunisation Register data and then the information was derived.
 
490       Was child admitted to hospital due to respiratory infection? RES_ADM_NMDS1 RESP_ADM 0 No Derived Please refer to External Data Release 2017 Reference and Process User Guide. Derived from National Minimum Dataset
              1 Yes    
              98 Seen at hospital for respiratory infection but not admitted    
 
491       How many days did child stay in hospital due to respiratory infection? RES_LOS_NMDS1 RESP_LOS 9 9+ Derived and re-categorised Please refer to External Data Release 2017 Reference and Process User Guide. Derived from National Minimum Dataset. Categorise upper extreme at 9+
 
492       How many times was the child admitted to respiratory infection? RES_RECUR_NMDS1 RESP_RECUR 5 5+ Derived and re-categorised Please refer to External Data Release 2017 Reference and Process User Guide. Categorise upper extreme at 5+