Mother baseline survey
Table ID: BiB_Baseline.base_m_survey
Entity type  Variables  Entities  Updated  Related tables 

Participant  341  10519  20201009  base_m_survey_p1 base_m_survey_p3 base_m_survey_p2 base_m_survey_wide 
Maternal baseline questionnaire. Main table, contains variables collected in all three questionnaire phases.
variable  label  value_type  summary 

BiBPregNumber  Cohort recruited pregnancy number  decimal  mean (sd) 1.09 (0.30) min < median < max 1.00 < 1.00 < 3.00 100.00% complete 
has_base_m_survey  Has mother baseline survey  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 100.00% complete 
agemm_mbqall  Mother age (months): Maternal Baseline Questionnaire  decimal  mean (sd) 333.38 (67.19) min < median < max 179.00 < 329.00 < 590.00 100.00% complete 
agemy_mbqall  Mother age (years): Maternal Baseline Questionnaire  decimal  mean (sd) 27.32 (5.61) min < median < max 14.00 < 27.00 < 49.00 100.00% complete 
alc03mb4dr  Don’t remember average/max units drank per week in 3 months before pregnancy  decimal  1 : Don’t remember not specified 2 : Don’t remember average units per week 3 : Don’t remember max units 0.69% complete 
alc04thmdr  Don’t remember maximum units drank at one time since 4th month of pregnancy  decimal  1 : Don’t remember not specified 2 : Don’t remember average units per week 3 : Don’t remember max units 0.04% complete 
alc05u3mb4  Frequency of 5 or more units of alcohol consumed in 3 months before pregnancy  decimal  1 : Everyday 2 : Nearly everyday 3 : 14 times/week 4 : 13 times a month 5 : Rarely 6 : Never 29.61% complete 
alc05u4thm  Frequency of 5 or more units of alcohol consumed since 4th month of pregnancy  decimal  1 : Everyday 2 : Nearly everyday 3 : 14 times/week 4 : 13 times a month 5 : Rarely 6 : Never 11.46% complete 
alc05ufr3m  Frequency of 5 or more units of alcohol consumed in first 3 months of pregnancy  decimal  1 : Everyday 2 : Nearly everyday 3 : 14 times/week 4 : 13 times a month 5 : Rarely 6 : Never 14.92% complete 
alc0brav3b  Average units of beer per week in 3 months before pregnancy  decimal  mean (sd) 5.25 (7.53) min < median < max 0.00 < 3.00 < 70.00 8.42% complete 
alc0brav4m  Average units of beer per week since 4th month of pregnancy  decimal  mean (sd) 1.88 (2.21) min < median < max 0.00 < 1.00 < 12.00 1.19% complete 
alc0bravf3  Average units of beer per week in first 3 months of pregnancy  decimal  mean (sd) 5.61 (7.92) min < median < max 0.00 < 3.00 < 50.00 2.70% complete 
alc0brmx3b  Maximum units of beer at one time in 3 months before pregnancy  decimal  mean (sd) 5.26 (7.59) min < median < max 0.00 < 4.00 < 100.00 8.28% complete 
alc0brmx4m  Maximum units of beer at one time since 4th month of pregnancy  decimal  mean (sd) 2.48 (3.15) min < median < max 0.00 < 2.00 < 20.00 0.70% complete 
alc0brmxf3  Maximum units of beer at one time in first 3 months of pregnancy  decimal  mean (sd) 5.53 (7.49) min < median < max 0.00 < 3.00 < 60.00 2.72% complete 
alc0dr3mb4  Mother drank alcohol 3 months before pregnancy  decimal  1 : Yes, once a week 2 : Yes, occasionally 3 : Yes, not specified 4 : No 5 : Don’t remember 30.47% complete 
alc0dr4thm  Mother drank alcohol since 4th month of pregnancy  decimal  1 : Yes, once a week 2 : Yes, occasionally 3 : Yes, not specified 4 : No 5 : Don’t remember 30.20% complete 
alc0drfr3m  Mother drank alcohol in the first 3 months of pregnancy  decimal  1 : Yes, once a week 2 : Yes, occasionally 3 : Yes, not specified 4 : No 5 : Don’t remember 30.54% complete 
alc0drpreg  Mother drank alcohol during pregnancy or 3 months before  decimal  1 : Yes 2 : No 3 : Don’t remember 99.77% complete 
alc0fr3mdr  Don’t remember maximum units drank at one time in first 3 months of pregnancy  decimal  1 : Don’t remember not specified 2 : Don’t remember average units per week 3 : Don’t remember max units 0.34% complete 
alc0oaav3b  Average units of other alcohol per week in 3 months before pregnancy  decimal  mean (sd) 2.07 (4.81) min < median < max 0.00 < 0.00 < 40.00 5.38% complete 
alc0oaav4m  Average units of other alcohol per week since 4th month of pregnancy  decimal  mean (sd) 1.44 (2.21) min < median < max 0.00 < 0.00 < 10.00 0.32% complete 
alc0oaavf3  Average units of other alcohol per week in first 3 months of pregnancy  decimal  mean (sd) 1.60 (3.71) min < median < max 0.00 < 0.00 < 20.00 1.63% complete 
alc0oamx3b  Maximum units of other alcohol at one time in 3 months before pregnancy  decimal  mean (sd) 2.21 (5.25) min < median < max 0.00 < 0.00 < 50.00 5.34% complete 
alc0oamx4m  Maximum units of other alcohol at one time since 4th month of pregnancy  decimal  mean (sd) 1.58 (2.21) min < median < max 0.00 < 0.00 < 10.00 0.33% complete 
alc0oamxf3  Maximum units of other alcohol at one time in first 3 months of pregnancy  decimal  mean (sd) 1.61 (3.45) min < median < max 0.00 < 0.00 < 15.00 1.62% complete 
alc0spav3b  Average units of spirits per week in 3 months before pregnancy  decimal  mean (sd) 4.26 (7.88) min < median < max 0.00 < 1.00 < 100.00 7.38% complete 
alc0spav4m  Average units of spirits per week since 4th month of pregnancy  decimal  mean (sd) 1.88 (3.81) min < median < max 0.00 < 0.00 < 20.00 0.35% complete 
alc0spavf3  Average units of spirits per week in first 3 months of pregnancy  decimal  mean (sd) 4.45 (8.43) min < median < max 0.00 < 1.00 < 70.00 2.35% complete 
alc0spmx3b  Maximum units of spirits at one time in the 3 months before pregnancy  decimal  mean (sd) 4.50 (7.48) min < median < max 0.00 < 1.00 < 64.00 7.31% complete 
alc0spmx4m  Maximum units of spirits at one time since 4th month of pregnancy  decimal  mean (sd) 1.95 (2.75) min < median < max 0.00 < 1.00 < 10.00 0.38% complete 
alc0spmxf3  Maximum units of spirits at one time in first 3 months of pregnancy  decimal  mean (sd) 4.25 (6.64) min < median < max 0.00 < 2.00 < 40.00 2.31% complete 
alc0wnav3b  Average units of wine per week in 3 months before pregnancy  decimal  mean (sd) 5.57 (6.12) min < median < max 0.00 < 4.00 < 56.00 10.27% complete 
alc0wnav4m  Average units of wine per week since 4th month of pregnancy  decimal  mean (sd) 1.77 (1.97) min < median < max 0.00 < 1.00 < 14.00 0.85% complete 
alc0wnavf3  Average units of wine per week in first 3 months of pregnancy  decimal  mean (sd) 4.45 (5.82) min < median < max 0.00 < 2.00 < 45.00 3.34% complete 
alc0wnmx3b  Maximum units of wine at one time in 3 months before pregnancy  decimal  mean (sd) 5.23 (6.14) min < median < max 0.00 < 4.00 < 60.00 10.09% complete 
alc0wnmx4m  Maximum units of wine at one time since 4th month of pregnancy  decimal  mean (sd) 1.61 (1.48) min < median < max 0.00 < 1.00 < 10.00 0.84% complete 
alc0wnmxf3  Maximum units of wine at one time in first 3 months of pregnancy  decimal  mean (sd) 4.18 (5.65) min < median < max 0.00 < 2.00 < 60.00 3.26% complete 
ben0carall  Carer’s allowance  decimal  1 : Yes 2 : No 99.66% complete 
ben0chdben  Child benefit  decimal  1 : Yes 2 : No 99.66% complete 
ben0chdtxc  Child Tax credit  decimal  1 : Yes 2 : No 99.66% complete 
ben0disbla  Disability living allowance  decimal  1 : Yes 2 : No 99.66% complete 
ben0dnwtoa  Does not wish to answer  decimal  1 : Yes 2 : No 99.67% complete 
ben0dontkw  Don’t know  decimal  1 : Yes 2 : No 99.67% complete 
ben0houseb  Housing benefit  decimal  1 : Yes 2 : No 99.66% complete 
ben0incapb  Incapacity benefit  decimal  1 : Yes 2 : No 99.66% complete 
ben0incsup  Income support  decimal  1 : Yes 2 : No 99.66% complete 
ben0intjsa  Income tested job seekers allowance  decimal  1 : Yes 2 : No 99.66% complete 
ben0mentst  Means tested benefits received  decimal  1 : Yes 2 : No 99.66% complete 
ben0nobenf  None  decimal  1 : Yes 2 : No 99.66% complete 
ben0othbnm  Other benefits received  text  53 unique values 68 nonmissing values 2 to 45 characters 
ben0otherb  Other benefits  decimal  1 : Yes 2 : No 99.67% complete 
ben0pencrd  Pension credit  decimal  1 : Yes 2 : No 99.66% complete 
ben0wrktxc  Working Tax credit  decimal  1 : Yes 2 : No 99.66% complete 
brd0brolls  Baps/rolls eaten per week  decimal  mean (sd) 1.57 (2.44) min < median < max 0.00 < 1.00 < 40.00 68.08% complete 
brd0brwbrd  Slices of brown bread eaten per week  decimal  mean (sd) 5.73 (7.13) min < median < max 0.00 < 4.00 < 99.00 72.58% complete 
brd0nnptbg  Naan/pitta bread/bagel eaten per week  decimal  mean (sd) 0.74 (2.01) min < median < max 0.00 < 0.00 < 91.00 60.72% complete 
brd0othbrd  Other bread products eaten per week  decimal  mean (sd) 1.41 (2.73) min < median < max 0.00 < 0.00 < 62.00 66.24% complete 
brd0othpro  Description of other bread products eaten  text  462 unique values 2567 nonmissing values 1 to 42 characters 
brd0parath  Parathas eaten per week  decimal  mean (sd) 0.67 (1.91) min < median < max 0.00 < 0.00 < 63.00 58.10% complete 
brd0pizzas  Slices of pizza eaten per week  decimal  mean (sd) 1.84 (2.14) min < median < max 0.00 < 2.00 < 76.00 75.52% complete 
brd0rotich  Roti/chappatis eaten per week  decimal  mean (sd) 6.39 (6.72) min < median < max 0.00 < 5.00 < 61.00 77.51% complete 
brd0whtbrd  Slices of white bread eaten per week  decimal  mean (sd) 9.17 (8.83) min < median < max 0.00 < 7.00 < 84.00 88.26% complete 
cdr0chgflg  Data change based on cleaning rules  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.28% complete 
cdr0clcfpd  Number of cups of cola (regular, caffeinated) per day  decimal  mean (sd) 0.79 (1.79) min < median < max 0.00 < 0.00 < 35.00 41.18% complete 
cdr0clcfpw  Number of cups of cola (regular, caffeinated) per week  decimal  mean (sd) 1.22 (2.14) min < median < max 0.00 < 0.00 < 35.00 45.79% complete 
cdr0cldcpd  Number of cups of cola (regular, decaffeinated) per day  decimal  mean (sd) 0.04 (0.47) min < median < max 0.00 < 0.00 < 20.00 38.09% complete 
cdr0cldcpw  Number of cups of cola (regular, decaffeinated) per week  decimal  mean (sd) 0.05 (0.42) min < median < max 0.00 < 0.00 < 14.00 38.10% complete 
cdr0dccfpd  Number of cups of diet cola (caffeinated) per day  decimal  mean (sd) 0.28 (1.10) min < median < max 0.00 < 0.00 < 14.00 39.75% complete 
cdr0dccfpw  Number of cups of diet cola (caffeinated) per week  decimal  mean (sd) 0.46 (1.36) min < median < max 0.00 < 0.00 < 20.00 40.63% complete 
cdr0dcdcpd  Number of cups of diet cola (decaffeinated) per day  decimal  mean (sd) 0.05 (0.66) min < median < max 0.00 < 0.00 < 28.00 39.97% complete 
cdr0dcdcpw  Number of cups of diet cola (decaffeinated) per week  decimal  mean (sd) 0.06 (0.54) min < median < max 0.00 < 0.00 < 15.00 38.37% complete 
cdr0fccfpd  Number of cups of filter/cafetiere coffee (caffeinated) per day  decimal  mean (sd) 0.05 (0.53) min < median < max 0.00 < 0.00 < 20.00 39.83% complete 
cdr0fccfpw  Number of cups of filter/cafetiere coffee (caffeinated) per week  decimal  mean (sd) 0.04 (0.37) min < median < max 0.00 < 0.00 < 8.00 38.27% complete 
cdr0fcdcpd  Number of cups of filter/cafetiere coffee (decaffeinated) per day  decimal  mean (sd) 0.01 (0.23) min < median < max 0.00 < 0.00 < 8.00 38.26% complete 
cdr0fcdcpw  Number of cups of filter/cafetiere coffee (decaffeinated) per week  decimal  mean (sd) 0.02 (0.48) min < median < max 0.00 < 0.00 < 28.00 38.03% complete 
cdr0htcfpd  Number of cups of herbal tea (caffeinated) per day  decimal  mean (sd) 0.08 (0.51) min < median < max 0.00 < 0.00 < 10.00 39.75% complete 
cdr0htcfpw  Number of cups of herbal tea (caffeinated) per week  decimal  mean (sd) 0.11 (0.68) min < median < max 0.00 < 0.00 < 14.00 38.27% complete 
cdr0htdcpd  Number of cups of herbal tea (decaffeinated) per day  decimal  mean (sd) 0.20 (0.97) min < median < max 0.00 < 0.00 < 25.00 39.35% complete 
cdr0iccfpd  Number of cups of instant coffee (caffeinated) per day  decimal  mean (sd) 0.94 (2.24) min < median < max 0.00 < 0.00 < 40.00 49.83% complete 
cdr0iccfpw  Number of cups of instant coffee (caffeinated) per week  decimal  mean (sd) 0.62 (3.46) min < median < max 0.00 < 0.00 < 100.00 37.05% complete 
cdr0icdcpd  Number of cups of instant coffee (decaffeinated) per day  decimal  mean (sd) 0.33 (1.41) min < median < max 0.00 < 0.00 < 30.00 40.66% complete 
cdr0icdcpw  Number of cups of instant coffee (decaffeinated) per week  decimal  mean (sd) 0.18 (1.53) min < median < max 0.00 < 0.00 < 50.00 37.63% complete 
cdr0ktcfpd  Number of cups of Kashmiri tea (caffeinated) per day  decimal  mean (sd) 0.28 (0.77) min < median < max 0.00 < 0.00 < 13.00 42.47% complete 
cdr0ktcfpw  Number of cups of Kashmiri tea (caffeinated) per week  decimal  mean (sd) 2.53 (2.34) min < median < max 0.00 < 2.00 < 10.00 0.75% complete 
cdr0ktdcpd  Number of cups of Kashmiri tea (decaffeinated) per day  decimal  mean (sd) 0.02 (0.37) min < median < max 0.00 < 0.00 < 14.00 38.44% complete 
cdr0ktdcpw  Number of cups of Kashmiri tea (decaffeinated) per week  decimal  mean (sd) 0.01 (0.11) min < median < max 0.00 < 0.00 < 3.00 38.00% complete 
cdr0tecfpd  Number of cups of tea (caffeinated) per day  decimal  mean (sd) 2.26 (3.25) min < median < max 0.00 < 2.00 < 110.00 72.11% complete 
cdr0tecfpw  Number of cups of tea (caffeinated) per week  decimal  mean (sd) 1.72 (4.70) min < median < max 0.00 < 0.00 < 100.00 24.43% complete 
cdr0tedcpd  Number of cups of tea (decaffeinated) per day  decimal  mean (sd) 0.48 (1.78) min < median < max 0.00 < 0.00 < 42.00 41.44% complete 
cdr0tedcpw  Number of cups of tea (decaffeinated) per week  decimal  mean (sd) 0.17 (1.47) min < median < max 0.00 < 0.00 < 28.00 36.92% complete 
drg0drguse  Mother used drugs during pregnancy  decimal  1 : Yes 2 : No 3 : Don’t know 85.54% complete 
edu0fthede  Baby’s father’s highest educational qualification (equivalised)  decimal  1 : <5 GCSE equivalent 2 : 5 GCSE equivalent 3 : Alevel equivalent 4 : Higher than Alevel 5 : Other 6 : Don’t know 7 : Foreign Unknown 99.67% complete 
edu0ftheuk  Father’s highest education qualification  decimal  1 : 1 + 0 levels/CSEs/GCEs(any grades) 10 : Higher Degree (e.g. MA, PhD, PGCE Postgrad cert/diploma) 11 : Other qualifications (e.g. City and Guilds, RSA/OCR, BTEC) 12 : Overseas qualification 13 : No Qualifications 14 : Don’t know 2 : 5 + 0 levels, 5+ CSEs (grade 1) 5 + GCSEs, School Certificate 3 : 1 + A levels/AS levels 4 : 2 + A levels, 4 + AS levels, Higher School certificate 5 : NVQ Level 1, Foundation GNVQ 6 : NVQ Level 2,Intermediate GNVQ 7 : NVQ Level 3, Advanced GNVQ 8 : NVQ Levels 45, HNC, HND 9 : First Degree (e.g. BA, BSc) 99.74% complete 
edu0fthflg  Fathers education change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 13.67% complete 
edu0fthosc  Father overseas country of qualification  text  89 unique values 540 nonmissing values 1 to 24 characters 
edu0fthosq  Father overseas qualification  text  282 unique values 538 nonmissing values 2 to 30 characters 
edu0fthpak  Father Pakistan qualification  decimal  1 : Second School Certificate (SSC) Matriculation 10 : Postgraduate Eg Masters degree/PhD 11 : Don’t know 2 : Diploma in Commerce 3 : Higher Secondary (HSC) Cert/Intermediate humanities, preeng, premed 4 : Certificate from Board of technical education 5 : Diploma from Board of technical education 6 : Final Apprenticeship Certificate/Grade 2 skilled 7 : Vocational institute diploma/grade 3 skilled worker cert 8 : Batchelor Degree (4 year) in generally professional fields 9 : Batchelor of Arts/Commerce/Engineering/Science/Technology (pass and honours) 14.80% complete 
edu0fthqct  Father country of qualification  decimal  mean (sd) 2.27 (1.59) min < median < max 1.00 < 1.00 < 5.00 99.74% complete 
edu0mumede  Mother’s highest educational qualification (equivalised)  decimal  1 : <5 GCSE equivalent 2 : 5 GCSE equivalent 3 : Alevel equivalent 4 : Higher than Alevel 5 : Other 6 : Don’t know 7 : Foreign Unknown 99.74% complete 
edu0mumeuk  Mum’s highest education qualification  decimal  1 : 1 + 0 levels/CSEs/GCEs(any grades) 10 : Higher Degree (e.g. MA, PhD, PGCE Postgrad cert/diploma) 11 : Other qualifications (e.g. City and Guilds, RSA/OCR, BTEC) 12 : Overseas qualification 13 : No Qualifications 14 : Don’t know 2 : 5 + 0 levels, 5+ CSEs (grade 1) 5 + GCSEs, School Certificate 3 : 1 + A levels/AS levels 4 : 2 + A levels, 4 + AS levels, Higher School certificate 5 : NVQ Level 1, Foundation GNVQ 6 : NVQ Level 2,Intermediate GNVQ 7 : NVQ Level 3, Advanced GNVQ 8 : NVQ Levels 45, HNC, HND 9 : First Degree (e.g. BA, BSc) 99.77% complete 
edu0mumflg  Mothers education change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 8.59% complete 
edu0mumosc  Mum overseas country of qualification  text  94 unique values 657 nonmissing values 1 to 24 characters 
edu0mumosq  Mum overseas qualification  text  374 unique values 659 nonmissing values 1 to 37 characters 
edu0mumpak  Mum Pakistan qualification  decimal  mean (sd) 4.49 (3.62) min < median < max 1.00 < 3.00 < 11.00 13.73% complete 
edu0mumqct  Mum country of qualification  decimal  1 : UK 2 : Pakistan 3 : Other overseas 4 : No qualifications 5 : Don’t know 99.77% complete 
eth0asianb  Asian or Asian British  cultural background  decimal  1 : Indian 2 : Pakistani 3 : Bangladeshi 4 : Indian Caribbean 5 : AfricanIndian 6 : Other 51.74% complete 
eth0asnoth  Asian or Asian British  other cultural background  text  33 unique values 69 nonmissing values 4 to 17 characters 
eth0blackb  Black or Black British  cultural background  decimal  1 : Caribbean 2 : African 3 : Other 2.19% complete 
eth0blkoth  Black or Black British  other cultural background  text  2 unique values 2 nonmissing values 1 to 9 characters 
eth0chines  Chinese  cultural background  decimal  1 : Chinese 2 : Japanese 3 : Filipino 4 : Vietnamese 5 : Other 0.82% complete 
eth0chnoth  Chinese  other cultural background  text  1 unique values 1 nonmissing values 1 characters 
eth0eth3gp  Mother’s ethnic group  3 categories  decimal  1 : White British 2 : Pakistani 3 : Other 99.78% complete 
eth0eth9gp  Woman’s ethnic group  9 categories  decimal  1 : White British 2 : White Other 3 : MixedWhite and Black 4 : MixedWhite and South Asian 5 : Black 6 : Indian 7 : Pakistani 8 : Bangladeshi 9 : Other 99.78% complete 
eth0ethall  Mother’s ethnic group  all categories  decimal  1 : White  British 10 : White & AfricanIndian 11 : Mixed  Other 12 : Black  Caribbean 13 : Black  African 14 : Black  Other 15 : Asian  Indian 16 : Asian  Pakistani 17 : Asian  Bangladeshi 18 : Asian  Indian Caribbean 19 : Asian  African Indian 2 : White  Irish 20 : Asian  Other 21 : Chinese 22 : Japanese 23 : Filipino 24 : Vietanemse 25 : Chinese  Other 26 : Other 3 : White  Other 4 : White & Black Caribbean 5 : White & Black African 6 : White & Indian 7 : White & Pakistani 8 : White & Bangladeshi 9 : White & Indian Caribbean 99.79% complete 
eth0ethgrp  Mother’s ethnic group  decimal  1 : White 2 : Mixed ethnic group 3 : Black or Black British 4 : Asian or Asian British 5 : Chinese 6 : Other 99.89% complete 
eth0mixedb  Mixed  cultural background  decimal  1 : White and Black Caribbean 2 : White and Black African 3 : White and Indian 4 : White and Pakistani 5 : White and Bangladeshi 6 : White and Indian Caribbean 7 : White and AfricanIndian 8 : Other 1.90% complete 
eth0mixoth  Mixed  other cultural background  text  24 unique values 32 nonmissing values 3 to 23 characters 
eth0otherb  Other cultural background  decimal  1 : Other 1.04% complete 
eth0othoth  Other cultural backgrounddescription  text  67 unique values 122 nonmissing values 3 to 25 characters 
eth0saethg  South Asian ethnic groups only  decimal  1 : Pakistani 2 : Indian 3 : Bangladeshi 4 : Other South Asian 51.72% complete 
eth0whiteb  White  cultural background  decimal  1 : British 2 : Irish 3 : Other 42.13% complete 
eth0whtoth  White  other cultural background  text  38 unique values 283 nonmissing values 4 to 16 characters 
fin0billfl  Up to date with bills change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.20% complete 
fin0bllctx  Behind with council tax bill  decimal  1 : Yes 2 : No 10.10% complete 
fin0bllelc  Behind with electricity  decimal  1 : Yes 2 : No 10.10% complete 
fin0bllfeu  Behind with other fuel  decimal  1 : Yes 2 : No 10.10% complete 
fin0bllgas  Behind with gas  decimal  1 : Yes 2 : No 10.10% complete 
fin0bllins  Behind with insurance policy bill  decimal  1 : Yes 2 : No 10.10% complete 
fin0bllohp  Behind with other HP payments  decimal  1 : Yes 2 : No 10.10% complete 
fin0blltph  Behind with telephone bill  decimal  1 : Yes 2 : No 10.10% complete 
fin0blltvb  Behind with TV/DVD/HP bills  decimal  1 : Yes 2 : No 10.10% complete 
fin0bllwat  Behind with water bill  decimal  1 : Yes 2 : No 10.10% complete 
fin0finnow  Compared to a year ago how are you doing financially  decimal  1 : Better off 2 : Worse off 3 : About the same 4 : Does not wish to answer 99.60% complete 
fin0frsb10  Enough bedrooms for every child over 10 to have own bedroom  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 85.04% complete 
fin0frscel  Child has celebrations on special occasions such as birthdays  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 77.18% complete 
fin0frschb  Child has a hobby or leisure activity  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 77.18% complete 
fin0frsdec  Enough money to keep home in decent state of decoration  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.50% complete 
fin0frselg  Money to replace or repair major electrical goods  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.37% complete 
fin0frsffm  Family and friends for a drink or meal at least once a month  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.60% complete 
fin0frsfte  Child has friends round for tea or a snack once a fortnight  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 77.14% complete 
fin0frsfur  Money to replace any worn out furniture  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.41% complete 
fin0frshci  Household contents insurance  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 97.97% complete 
fin0frshob  A hobby or leisure activity  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.61% complete 
fin0frshol  Holiday from home for at least one week once a year  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.62% complete 
fin0frshwm  In winter are you able to keep home warm enough  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.53% complete 
fin0frsleb  Does your child have leisure equipment or a bicycle  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 77.49% complete 
fin0frsnur  Child goes to nursery/playgroup at least once a week  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 77.06% complete 
fin0frsout  Child has outdoor space to play safely  decimal  1 : Yes 2 : No 3 : Does not apply 79.46% complete 
fin0frssav  Money to make regular savings of £10 a month  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.37% complete 
fin0frssho  Two pairs of all weather shoes  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.68% complete 
fin0frsstp  Child goes to school trips  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 78.39% complete 
fin0frsswm  Child goes swimming at least once a month  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Does not apply 77.09% complete 
fin0frsysf  A small amount of money to spend on yourself each week  decimal  1 : Yes 2 : Can’t afford 3 : Don’t want/need 4 : Doesn’t wish to answer 5 : Don’t know 99.54% complete 
fin0manfin  How well mother and husband/partner managing financially  decimal  1 : Living comfortably 2 : Doing alright 3 : Just about getting by 4 : Quite difficult 5 : Very difficult 6 : Does not wish to answer 99.70% complete 
fin0upbill  Are you up to date with all these bills  decimal  1 : Yes 2 : No 3 : Don’t know 4 : Does not wish to answer 99.72% complete 
ghq0fctrsc  GHQ factor score (derived)  decimal  mean (sd) 0.08 (0.82) min < median < max 1.10 < 0.06 < 2.79 83.62% complete 
ghq0ques01  Been feeling perfectly well & in good health  decimal  1 : Better than usual 2 : Same as usual 3 : Worse than usual 4 : Much worse than usual 83.84% complete 
ghq0ques02  Been feeling in need of a good tonic  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.47% complete 
ghq0ques03  Been feeling run down and out of sorts  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.63% complete 
ghq0ques04  Felt that you are ill  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.74% complete 
ghq0ques05  Been getting pains in your head  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.73% complete 
ghq0ques06  Been getting a feeling of tightness or pressure in your head  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.70% complete 
ghq0ques07  Been having hot or cold spells  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.68% complete 
ghq0ques08  Lost much sleep over worry  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.72% complete 
ghq0ques09  Had difficulty staying asleep once you are off  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.75% complete 
ghq0ques10  Felt constantly under strain  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.68% complete 
ghq0ques11  Been getting edgy and badtempered  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.57% complete 
ghq0ques12  Been getting scared or panicky for no good reason  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.67% complete 
ghq0ques13  Found everything getting on top of you  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.69% complete 
ghq0ques14  Been feeling nervous and strungup all the time  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.63% complete 
ghq0ques15  Been managing to keep yourself busy and occupied  decimal  1 : More so than usual 2 : Same as usual 3 : Rather less than usual 4 : Much less than usual 83.70% complete 
ghq0ques16  Been taking longer over the things you do  decimal  1 : Quicker than usual 2 : Same as usual 3 : Longer than usual 4 : Much longer than usual 83.62% complete 
ghq0ques17  Felt on the whole you were doing things well  decimal  1 : Better than usual 2 : About the same 3 : Less than usual 4 : Much less well 83.62% complete 
ghq0ques18  Been satisfied with way you’ve carried out your tasks  decimal  1 : More satisfied 2 : About the same as usual 3 : Less satisfied than usual 4 : Much less satisfied 83.58% complete 
ghq0ques19  Felt that you are playing a useful part in things  decimal  1 : More so than usual 2 : Same as usual 3 : Less useful than usual 4 : Much less than usual 83.66% complete 
ghq0ques20  Felt capable of making decisions about things  decimal  1 : More so than usual 2 : Same as usual 3 : Less so than usual 4 : Much less capable 83.55% complete 
ghq0ques21  Been able to enjoy your normal daytoday activities  decimal  1 : More so than usual 2 : Same as usual 3 : Less so than usual 4 : Much less than usual 83.65% complete 
ghq0ques22  Been thinking of yourself as worthless person  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.64% complete 
ghq0ques23  Felt life is entirely hopeless  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.61% complete 
ghq0ques24  Felt that life isn’t worth living  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.63% complete 
ghq0ques25  Thought of the possibility that you might make away with yourself  decimal  1 : Definitely not 2 : I don’t think so 3 : Has crossed my mind 4 : Definitely have 83.50% complete 
ghq0ques26  Found at times couldn’t do anything because nerves too bad  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.58% complete 
ghq0ques27  Found yourself wishing you were dead and away from it all  decimal  1 : Not at all 2 : No more than usual 3 : Rather more than usual 4 : Much more than usual 83.57% complete 
ghq0ques28  Found the idea of taking your own life kept coming into your mind  decimal  1 : Definitely not 2 : I don’t think so 3 : Has crossed my mind 4 : Definitely have 83.51% complete 
h2o0bwatel  Glasses of bottled water drank elsewhere per day  decimal  mean (sd) 1.84 (1.49) min < median < max 0.00 < 2.00 < 15.00 5.93% complete 
h2o0bwathm  Glasses of bottled water drank at home per day  decimal  mean (sd) 2.76 (2.89) min < median < max 0.00 < 2.00 < 22.00 18.84% complete 
h2o0bwatwk  Glasses of bottled water drank at work/study per day  decimal  mean (sd) 3.80 (2.69) min < median < max 0.00 < 3.00 < 25.00 21.03% complete 
h2o0coffel  Cups of coffee drunk elsewhere per day  decimal  mean (sd) 0.80 (1.18) min < median < max 0.00 < 0.00 < 6.00 2.02% complete 
h2o0coffhm  Cups of coffee drank at home per day  decimal  mean (sd) 1.91 (2.36) min < median < max 0.00 < 1.00 < 25.00 22.69% complete 
h2o0coffwk  Cups of coffee drank at work/study per day  decimal  mean (sd) 1.81 (1.75) min < median < max 0.00 < 1.00 < 16.00 7.43% complete 
h2o0filthm  Filter the water drank at home  decimal  1 : Yes 2 : No 3 : Don’t know 4 : N/A 99.68% complete 
h2o0filtwk  Filter the water drank at work  decimal  1 : Yes 2 : No 3 : Don’t know 4 : N/A 99.37% complete 
h2o0nbtpwk  Number of baths per week  decimal  mean (sd) 2.91 (2.68) min < median < max 0.00 < 2.00 < 25.00 85.58% complete 
h2o0nshpwk  Number of showers per week  decimal  mean (sd) 4.43 (3.12) min < median < max 0.00 < 4.00 < 28.00 86.69% complete 
h2o0nswpwk  Number of swims per week  decimal  mean (sd) 0.17 (0.62) min < median < max 0.00 < 0.00 < 30.00 59.39% complete 
h2o0sqshel  Glasses of squash drank elsewhere per day  decimal  mean (sd) 1.11 (1.22) min < median < max 0.00 < 1.00 < 8.00 2.52% complete 
h2o0sqshhm  Glasses of squash drank at home per day  decimal  mean (sd) 2.45 (2.13) min < median < max 0.00 < 2.00 < 50.00 52.82% complete 
h2o0sqshwk  Glasses of squash drank at work/study per day  decimal  mean (sd) 1.95 (1.73) min < median < max 0.00 < 2.00 < 10.00 5.74% complete 
h2o0tbtmin  Minutes in the bath each time  decimal  mean (sd) 33.87 (21.81) min < median < max 0.00 < 30.00 < 180.00 70.93% complete 
h2o0teaels  Cups of tea drunk elsewhere per day  decimal  mean (sd) 1.30 (1.63) min < median < max 0.00 < 1.00 < 15.00 3.28% complete 
h2o0teahom  Cups of tea drank at home per day  decimal  mean (sd) 2.24 (2.07) min < median < max 0.00 < 2.00 < 60.00 70.24% complete 
h2o0teawrk  Cups of tea drank at work/study per day  decimal  mean (sd) 2.03 (1.70) min < median < max 0.00 < 2.00 < 20.00 11.22% complete 
h2o0tshmin  Minutes in the shower each time  decimal  mean (sd) 17.73 (13.02) min < median < max 0.00 < 15.00 < 240.00 74.83% complete 
h2o0tswmin  Minutes spent swimming each time  decimal  mean (sd) 24.29 (35.01) min < median < max 0.00 < 0.00 < 240.00 18.01% complete 
h2o0twatel  Glasses of tap water drank elsewhere per day  decimal  mean (sd) 1.38 (2.23) min < median < max 0.00 < 1.00 < 30.00 3.21% complete 
h2o0twathm  Glasses of tap water drank at home per day  decimal  mean (sd) 4.58 (2.95) min < median < max 1.00 < 4.00 < 50.00 81.06% complete 
h2o0twatwk  Glasses of tap water drank at work/study per day  decimal  mean (sd) 3.49 (2.93) min < median < max 0.00 < 3.00 < 50.00 13.70% complete 
has_mbqall  Has baseline questionnaire  decimal  1 : has 100.00% complete 
hhd0cohabt  Cohabitation status  decimal  1 : Living with baby’s father 2 : Living with another partner 3 : Not living with a partner 99.82% complete 
hhd0f16_64  Number of females between 16 and 64 in household  decimal  mean (sd) 1.48 (0.86) min < median < max 0.00 < 1.00 < 8.00 99.94% complete 
hhd0f2_15y  Number of females between 2 and 15 in household  decimal  mean (sd) 0.53 (0.83) min < median < max 0.00 < 0.00 < 9.00 99.94% complete 
hhd0fov65y  Number of females over 65 in household  decimal  mean (sd) 0.04 (0.20) min < median < max 0.00 < 0.00 < 3.00 99.94% complete 
hhd0fund2y  Number of females under 2 in household  decimal  mean (sd) 0.11 (0.34) min < median < max 0.00 < 0.00 < 9.00 99.94% complete 
hhd0m16_64  Number of males between 16 and 64 in household  decimal  mean (sd) 1.27 (0.90) min < median < max 0.00 < 1.00 < 8.00 99.94% complete 
hhd0m2_15y  Number of males between 2 and 15 in household  decimal  mean (sd) 0.54 (0.86) min < median < max 0.00 < 0.00 < 31.00 99.94% complete 
hhd0marchb  Marital and cohabitation status combined (derived)  decimal  1 : Married and living with partner 2 : Not married and living with partner 3 : Not living with partner 99.78% complete 
hhd0martst  Marital status  decimal  1 : Married (1st marriage) 2 : Remarried 3 : Single (never married) 4 : Separated (still legally married 5 : Divorced 6 : Widowed 99.91% complete 
hhd0mov65y  Number of males over 65 in household  decimal  mean (sd) 0.04 (0.19) min < median < max 0.00 < 0.00 < 3.00 99.94% complete 
hhd0mund2y  Number of males under 2 in household  decimal  mean (sd) 0.10 (0.34) min < median < max 0.00 < 0.00 < 9.00 99.94% complete 
hhd0tothhd  Total number of members in household  decimal  mean (sd) 4.11 (2.26) min < median < max 0.00 < 4.00 < 37.00 99.93% complete 
imd_2007_decile_nat  2007_decile  decimal  mean (sd) 2.53 (2.06) min < median < max 1.00 < 2.00 < 10.00 99.97% complete 
imd_2007_quintile_nat  2007_quintile  decimal  mean (sd) 1.59 (0.95) min < median < max 1.00 < 1.00 < 5.00 99.97% complete 
imd_2007_rank_nat  IMD_2007_RANK  decimal  mean (sd) 6319.57 (6817.65) min < median < max 38.00 < 3267.00 < 31539.00 99.97% complete 
imd_2007_score  IMD_200710nov  decimal  mean (sd) 42.67 (18.62) min < median < max 3.23 < 45.28 < 78.17 99.97% complete 
imd_2010_decile_nat  2010_decile  decimal  mean (sd) 2.45 (1.97) min < median < max 1.00 < 2.00 < 10.00 99.97% complete 
imd_2010_quintile_nat  2010_quintile  decimal  mean (sd) 1.55 (0.92) min < median < max 1.00 < 1.00 < 5.00 99.97% complete 
imd_2010_rank_nat  RANK_2010  decimal  mean (sd) 6160.39 (6447.82) min < median < max 14.00 < 3307.00 < 31322.00 99.97% complete 
imd_2010_score  IMD_2010_SCORE  decimal  mean (sd) 42.27 (17.84) min < median < max 3.65 < 44.65 < 81.07 99.97% complete 
imddecileswithinbradford  IMD Deciles (WITHIN Bradford)  decimal  mean (sd) 3.83 (2.36) min < median < max 1.00 < 3.00 < 10.00 98.62% complete 
imdquintileswithinbradford  IMD Quintiles (WITHIN Bradford)  decimal  mean (sd) 2.18 (1.16) min < median < max 1.00 < 2.00 < 5.00 98.62% complete 
job0cremfl  Currently employed change flag  decimal  mean (sd) 0.03 (0.16) min < median < max 0.00 < 0.00 < 1.00 15.89% complete 
job0curemp  Mother currently employed  decimal  1 : Yes 2 : No 99.86% complete 
job0dayswk  Days per week worked  decimal  mean (sd) 4.34 (1.32) min < median < max 0.00 < 5.00 < 7.00 58.12% complete 
job0evrwrk  Mother ever worked  decimal  1 : Yes 2 : No 55.91% complete 
job0evwkfl  Ever worked change flag  decimal  mean (sd) 0.73 (0.44) min < median < max 0.00 < 1.00 < 1.00 16.00% complete 
job0fthemp  Father’s employment status  decimal  1 : EmployedNonManual 2 : EmployedManual 3 : Selfemployed 4 : Student 5 : Unemployed 6 : Don’t know 95.62% complete 
job0fthwrk  Fathers occupation  decimal  1 : Modern professional occupations 10 : Student/in training 11 : Does not worklong term unemployed/sick 12 : Don’t know 2 : Clerical and intermediate occupations 3 : Senior managers or administrators 4 : Technical and craft occupations 5 : Semirountine manual and service occupations 6 : Rountine manual and service occupations 7 : Middle or junior managers 8 : Traditional professional occupations 9 : Selfemployed 93.42% complete 
job0hrspwk  Hours worked in a typical week  decimal  mean (sd) 30.51 (10.82) min < median < max 0.60 < 35.00 < 90.00 69.43% complete 
job0matscl  Mother on maternity/sick leave  decimal  1 : Yes 2 : No 60.45% complete 
job0mumemp  Mother’s emplyment status  derived  decimal  1 : Currently employed 2 : Previously employed 3 : Never employed 99.82% complete 
job0plwork  Main place of work  decimal  1 : Work mainly at home 2 : No regular place of work 4.49% complete 
job0studen  Mother full time student  decimal  1 : Yes 2 : No 99.82% complete 
job0timjob  Time spent in most recent job  decimal  mean (sd) 3.71 (3.81) min < median < max 0.00 < 2.50 < 37.00 58.13% complete 
job0townwk  Main place of work  town  text  338 unique values 5924 nonmissing values 1 to 29 characters 
job0trvlwk  How mother travels to work  decimal  1 : Work mainly at or from home 10 : Other 2 : Train 3 : Bus, minibus or coach 4 : Motorcycle, scooter or moped 5 : Driving car/van 6 : Passenger in car/van 7 : Taxi 8 : Bicycle 9 : On foot 54.21% complete 
job0trvoth  Description of other mode of transport to work  text  5 unique values 7 nonmissing values 1 to 22 characters 
job0tstwrk  How long ago mother stopped working  decimal  mean (sd) 2.87 (3.48) min < median < max 0.00 < 1.50 < 30.00 30.80% complete 
mbqlcasep5gp  Socioeconomic position (5 group LCA)  decimal  1 : Least dep and most educated 2 : Employed not mat dep 3 : Employed no access to money 4 : Benefits but coping 5 : Most dep 99.39% complete 
mms0armcir  Mother’s arm circumference (cm)  decimal  mean (sd) 29.85 (4.54) min < median < max 15.20 < 29.30 < 53.50 37.42% complete 
mms0armtkn  Mother’s arm circumference measurement taken  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 37.42% complete 
mms0height  Mother’s height (cm)  decimal  mean (sd) 161.64 (6.47) min < median < max 120.30 < 161.60 < 193.00 97.79% complete 
mms0mbkbmi  Mother’s booking BMI (derived)  decimal  mean (sd) 26.04 (5.70) min < median < max 12.89 < 25.03 < 57.00 92.10% complete 
mms0tricep  Mother’s triceps (mm)  decimal  mean (sd) 25.18 (7.27) min < median < max 7.40 < 25.00 < 46.10 36.84% complete 
mms0tritkn  Mother’s tricep measurement taken  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 36.88% complete 
mms0weight  Mother’s weight (at questionnaire) (kg)  decimal  mean (sd) 73.97 (15.44) min < median < max 38.01 < 71.50 < 162.10 96.36% complete 
non_bd_postcode  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 1.37% complete 

org0agemuk  Age mother moved to the UK  decimal  mean (sd) 19.26 (7.92) min < median < max 0.08 < 21.00 < 40.00 35.77% complete 
org0ffabco  Father’s father country of birth  other responses  text  132 unique values 471 nonmissing values 4 to 29 characters 
org0ffabct  Father’s father country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.42% complete 
org0ffamir  Father’s father born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 44.84% complete 
org0ffamtw  Father’s father  Mirpur town or village born in  text  729 unique values 2247 nonmissing values 1 to 27 characters 
org0fmubco  Father’s mother country of birth  other responses  text  130 unique values 455 nonmissing values 1 to 29 characters 
org0fmubct  Father’s mother country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.57% complete 
org0fmumir  Father’s mother born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 44.63% complete 
org0fmumtw  Father’s mother  Mirpur town or village born in  text  707 unique values 2130 nonmissing values 1 to 25 characters 
org0fthbco  Father’s country of birth  other responses  text  152 unique values 657 nonmissing values 1 to 22 characters 
org0fthbct  Father’s country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.89% complete 
org0fthmir  Father born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 27.41% complete 
org0fthmtw  Father  Mirpur town or village born in  text  520 unique values 1327 nonmissing values 1 to 28 characters 
org0mcflag  Mother’s country of birth change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.05% complete 
org0mfabco  Mother’s father country of birth  other responses  text  165 unique values 719 nonmissing values 1 to 23 characters 
org0mfabct  Mother’s father country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.85% complete 
org0mfamir  Mother’s father born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 43.47% complete 
org0mfamtw  Mother’s father  Mirpur town or village born in  text  731 unique values 2186 nonmissing values 1 to 25 characters 
org0mgfbco  Maternal grandfather’s country of birth  other responses  text  167 unique values 683 nonmissing values 1 to 23 characters 
org0mgfbct  Maternal grandfather’s country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.60% complete 
org0mgfmir  Maternal grandfather born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 41.97% complete 
org0mgfmtw  Maternal grandfather  Mirpur town or village born in  text  574 unique values 1808 nonmissing values 1 to 23 characters 
org0mgmbco  Maternal grandmother’s country of birth  other responses  text  172 unique values 669 nonmissing values 1 to 23 characters 
org0mgmbct  Maternal grandmother’s country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.69% complete 
org0mgmmir  Maternal grandmother born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 41.89% complete 
org0mgmmtw  Maternal grandmother  Mirpur town or village born in  text  587 unique values 1813 nonmissing values 2 to 23 characters 
org0mmubco  Mother’s mother country of birth  other responses  text  161 unique values 661 nonmissing values 1 to 23 characters 
org0mmubct  Mother’s mother country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.94% complete 
org0mmumir  Mother’s mother born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 43.29% complete 
org0mmumtw  Mother’s mother  Mirpur town or village born in  text  692 unique values 2055 nonmissing values 1 to 25 characters 
org0mumbco  Mother’s country of birth  other responses  text  156 unique values 2299 nonmissing values 1 to 25 characters 
org0mumbct  Mother’s country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.97% complete 
org0mummir  Mother born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 25.41% complete 
org0mummtw  Mother  Mirpur town or village born in  text  519 unique values 1212 nonmissing values 1 to 25 characters 
org0pgfbco  Paternal grandfather’s country of birth  other responses  text  176 unique values 741 nonmissing values 1 to 23 characters 
org0pgfbct  Paternal grandfather’s country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.36% complete 
org0pgfmir  Paternal grandfather born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 42.44% complete 
org0pgfmtw  Paternal grandfather  Mirpur town or village born in  text  600 unique values 1946 nonmissing values 1 to 23 characters 
org0pgmbco  Paternal grandmother’s country of birth  other responses  text  172 unique values 730 nonmissing values 1 to 23 characters 
org0pgmbct  Paternal grandmother’s country of birth  decimal  1 : England 10 : Slovakia 11 : Bangladesh 12 : India 13 : Pakistan 14 : Sri Lanka 15 : Philippines 16 : Don’t know 17 : Other 2 : Northern Ireland 3 : Scotland 4 : Wales 5 : Channel Islands 6 : Isle of Man 7 : Republic of Ireland 8 : Czech Republic 9 : Poland 99.39% complete 
org0pgmmir  Paternal grandmother born in Mirpur (if born in Pakistan)  decimal  1 : Yes 2 : No 3 : Don’t know 42.27% complete 
org0pgmmtw  Paternal grandmother  Mirpur town or village born in  text  590 unique values 1939 nonmissing values 1 to 23 characters 
qad0gestwd  Gestational age at completion of questionnaire (weeks and days)  decimal  mean (sd) 26.71 (2.07) min < median < max 11.86 < 26.29 < 41.71 96.77% complete 
qad0gestwk  Gestational age at completion of questionnaire (completed weeks)  decimal  mean (sd) 26.33 (2.07) min < median < max 11.00 < 26.00 < 41.00 96.77% complete 
qad0interp  Was an interpreter used  decimal  1 : No 2 : Hospital/Study Inter 3 : Family Member/Friend 98.89% complete 
qad0langot  Other language used to administer questionnaire  text  15 unique values 65 nonmissing values 1 to 18 characters 
qad0langua  Language used to administer questionnaire  decimal  1 : English 2 : Mirpuri/Punjabi 3 : Urdu 4 : Other 99.69% complete 
questphase  Questionnaire phase completed  decimal  mean (sd) 2.22 (0.70) min < median < max 1.00 < 2.00 < 3.00 100.00% complete 
rep0firper  Age at first period  decimal  mean (sd) 13.25 (1.70) min < median < max 0.00 < 13.00 < 30.00 93.51% complete 
rep0fperdk  Don’t know age at first period  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 6.32% complete 
res0bedrms  How many bedrooms in household  decimal  mean (sd) 3.24 (1.21) min < median < max 1.00 < 3.00 < 25.00 99.88% complete 
res0hseten  Housing tenure (derived)  decimal  1 : Owns outright 2 : Mortgage 3 : Rent free 4 : Private landlord 5 : Social housing 6 : Other 7 : Don’t know 99.80% complete 
res0lldflg  Landlord change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.15% complete 
res0lndlrd  Who is landlord  decimal  1 : Private landlord, letting agency 2 : Housing association 3 : Local Authority/coucil 4 : Relative or friend 5 : Employer(individual) 6 : Employer(organisation 7 : Another organisation 8 : Don’t know 39.26% complete 
res0tenflg  Tenure change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.15% complete 
res0tenure  How household is occupied  decimal  1 : Buying itmortgage/loan 2 : Owns outright 3 : Rents it 4 : Lives here rent free 5 : Pays part rent part mortgage 6 : Don’t know 7 : Squatting 99.80% complete 
res0timadd  Time lived at current address  decimal  mean (sd) 4.65 (5.41) min < median < max 0.00 < 3.00 < 40.00 99.91% complete 
smk03mthb4  Number of cigarettes smoked in 3 months before pregnancy  decimal  1 : None 2 : 15 a day 3 : 610 a day 4 : 1120 a day 5 : Over 20 a day 26.56% complete 
smk04thmth  Number of cigarettes smoked since 4th month of pregnancy  decimal  1 : None 2 : 15 a day 3 : 610 a day 4 : 1120 a day 5 : Over 20 a day 25.77% complete 
smk0agesfg  Flag to indicate change to smk0agestp  decimal  mean (sd) NaN (NA) min < median < max Inf < NA < Inf 0.00% complete 
smk0agestp  Age mother stopped smoking  decimal  mean (sd) 18.97 (5.09) min < median < max 4.00 < 18.00 < 35.00 0.97% complete 
smk0agestr  Age mother started smoking  decimal  mean (sd) 15.35 (3.11) min < median < max 3.00 < 15.00 < 38.00 29.90% complete 
smk0agspdr  Age stopped smoking don’t remember  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.08% complete 
smk0agstdr  Age started smoking don’t remember  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.32% complete 
smk0expcfl  Mother exposed to cigarette smoke change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.25% complete 
smk0expcig  Mother exposed to other people’s cigarette smoke  decimal  1 : Yes 2 : No 3 : Less than 1 hour per day 99.42% complete 
smk0exphrs  Number of hours a day exposed  decimal  mean (sd) 4.20 (3.66) min < median < max 0.00 < 3.00 < 24.00 13.12% complete 
smk0fr3mth  Number of cigarettes smoked in first 3 months of pregnancy  decimal  1 : None 2 : 15 a day 3 : 610 a day 4 : 1120 a day 5 : Over 20 a day 25.99% complete 
smk0nowsmk  Mother smokes nowadays  decimal  1 : Yes 2 : No 30.35% complete 
smk0othtob  Mother used any other tobacco products  decimal  1 : Yes 2 : No 3 : Don’t know 99.59% complete 
smk0regsmk  Mother ever regularly smoked  decimal  1 : Yes, more than 1 year 2 : Yes, less than 1 year 3 : Yes, not specified 4 : No 99.82% complete 
smk0rsmkfl  Regular smoker change flag  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 0.04% complete 
smk0smkprg  Mother smoked during pregnancy (derived)  decimal  1 : Yes 2 : No 99.82% complete 
vit0ironpr  Iron during pregnancy  decimal  1 : Daily 2 : 56 per week 3 : 24 per week 4 : Once a week 5 : Less often 16.96% complete 
vit0othmvd  Description of other multivitamins taken during pregnancy  text  223 unique values 384 nonmissing values 1 to 56 characters 
vit0othmvp  Other multivitamins during pregnancy  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 2.88% complete 
vit0othvpd  Description of other vitamins and dietary supplements taken during pregnancy  text  283 unique values 839 nonmissing values 5 to 60 characters 
vit0othvpr  Other vitamins and dietary supplements during pregnancy  decimal  mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 7.36% complete 
vit0pregca  Pregnacare multivitamins during pregnancy  decimal  1 : Daily 2 : 56 per week 3 : 24 per week 4 : Once a week 5 : Less often 14.66% complete 
vit0sanatp  Sanatogen prenatal multivitamins during pregnancy  decimal  1 : Daily 2 : 56 per week 3 : 24 per week 4 : Once a week 5 : Less often 1.93% complete 
vit0vitcpr  Vitamin C during pregnancy  decimal  1 : Daily 2 : 56 per week 3 : 24 per week 4 : Once a week 5 : Less often 1.13% complete 
vit0vitdpr  Vitamin D during pregnancy  decimal  1 : Daily 2 : 56 per week 3 : 24 per week 4 : Once a week 5 : Less often 1.14% complete 
vit0vitepr  Vitamin E during pregnancy  decimal  1 : Daily 2 : 56 per week 3 : 24 per week 4 : Once a week 5 : Less often 0.22% complete 
vit0vitipr  Taken any vitamins or iron tablets in last 4 weeks of pregnancy  decimal  1 : Yes 2 : No 3 : Don’t remember 99.70% complete 