Born in Bradford Data Dictionary

BiB person level geographic information

Table ID: BiB_Geographic.bib_geog_person

github | csv

Entity type Variables Entities Updated Related tables
Participant 13 29664 2022-09-29 NA

BiB participants address location every 6 months from birth. Contains person level information, such as age, number of house moves and data qulaity indicatiors. Can be linked to bib_geog_house by “property_id” and bib_geog_lsoa by “LSOA11CD”. Obtained from monthly NHS Tracing Service searches.

variable label value_type summary
ParticipantType Participants relationship in the family decimal 1 : Child
2 : Father
3 : Mother
Complete: 793665 (98.06%)

date_address_data Date of latest available address data date from 2007-04-15
to 2022-02-15

Complete: 783769 (96.84%)

age_m Participants actual age (months) decimal mean (sd)
262.35 (185.17)

min < median < max
0.00 < 294.00 < 900.00

Complete: 809342 (100.00%)

age_closest_data_point Age at data point closest to participants actual age decimal mean (sd)
263.19 (187.67)

min < median < max
-1.00 < 299.00 < 897.00

Complete: 783769 (96.84%)

temporal_accuracy_m Difference in months between age at closest data point and actual age decimal mean (sd)
1.53 (16.61)

min < median < max
-180.00 < 0.00 < 109.00

Complete: 783769 (96.84%)

property_id Unique ID of property (BiB generated) text 31187 unique values
783784 non-missing values
1 to 40 characters
move_no Number of times participant moved house at each time point decimal mean (sd)
0.88 (1.36)

min < median < max
0.00 < 0.00 < 15.00

Complete: 783769 (96.84%)

total_moves Cumulative number of times participant has moved house decimal mean (sd)
1.50 (1.81)

min < median < max
0.00 < 1.00 < 16.00

Complete: 783769 (96.84%)

LSOA11CD LSOA 2011 code text 3359 unique values
783773 non-missing values
1 to 9 characters
data_source Source of data: registration or tracing decimal 1 : Registration
2 : Tracing
Complete: 783769 (96.84%)

not_in_eng_wales If yes (1) sensitive columns have been set to NA to avoid disclosure of data decimal 0 : No
1 : Yes
Complete: 799446 (98.78%)

missing_address_data If yes (1) then address data was not available from tracing or registration data decimal 0 : No
1 : Yes
Complete: 809342 (100.00%)

low_qual_data If yes (1), the geocoded data is of unreliable quality and has been removed decimal 0 : No
1 : Yes
Complete: 799446 (98.78%)