Born in Bradford Data Dictionary

BiB person-level information

Table ID: BiB_CohortInfo.person_info

github | csv

Entity type Variables Entities Updated Related tables
Participant 11 29664 2023-04-26 father_info
child_info
mother_info

BiB person-level information, including parent-child and sibling linkage.

variable label value_type summary
PersonID Legacy BiB person identifier decimal mean (sd)
15265.33 (9266.92)

min < median < max
2.00 < 14840.50 < 33357.00

Complete: 29664 (100.00%)

ParticipantType Participant type - position in cohort family text 3 unique values
29664 non-missing values
5 to 6 characters
ParticipantType_cat Participant type (categorical) decimal 1 : Mother
2 : Child
3 : Father
Complete: 29664 (100.00%)

Gender Participant gender text 3 unique values
29664 non-missing values
4 to 13 characters
Gender_cat Participant gender (categorical) decimal 1 : Female
2 : Male
3 : Indeterminate
Complete: 29664 (100.00%)

YearOfBirth Participant year of birth decimal mean (sd)
1993.53 (14.96)

min < median < max
1947.00 < 1989.00 < 2011.00

Complete: 29664 (100.00%)

MonthOfBirth Participant month of birth decimal mean (sd)
6.51 (3.50)

min < median < max
1.00 < 7.00 < 12.00

Complete: 29664 (100.00%)

BiBFatherID BiB person identifier of child’s father text 3342 unique values
3488 non-missing values
8 characters
BiBMotherID BiB person identifier of child’s mother text 12357 unique values
13858 non-missing values
8 characters
BiBPregNumber BiB cohort pregnancy number text 3 unique values
13858 non-missing values
1 characters
PregnancyID Legacy BiB pregnancy ID text 13675 unique values
13858 non-missing values
7 characters