Born in Bradford Data Dictionary

BiBBS child core geographic information

Table ID: BiBBS_Geographic.ch_core_geog

github | csv

Entity type Variables Entities Updated Related tables
Participant 13 3092 2022-09-30 NA

Child address location every 6 months from birth. Contains information on childs LSOA, LA and ward. Obtained from monthly NHS Tracing Service searches.

variable label value_type summary
date_address_data Date of latest available address data date from 2016-01-15
to 2022-02-15

Complete: 23743 (98.02%)

age_m Participants actual age (months) decimal mean (sd)
24.04 (18.08)

min < median < max
0.00 < 24.00 < 72.00

Complete: 24223 (100.00%)

age_closest_data_point Age at data point closest to participants actual age decimal mean (sd)
2.45 (9.42)

min < median < max
-1.00 < -0.00 < 70.00

Complete: 23743 (98.02%)

temporal_accuracy_m Difference in months between participants age at closest data point and actual a decimal mean (sd)
-21.60 (18.51)

min < median < max
-73.00 < -18.00 < 38.00

Complete: 23743 (98.02%)

LSOA11CD LSOA 2011 code text 112 unique values
23743 non-missing values
9 characters
WD21CD Ward 2021 code text 23 unique values
23744 non-missing values
1 to 9 characters
is_in_bfd_la Is participant in Bradford LA? decimal 0 : No
1 : Yes
Complete: 23743 (98.02%)

is_in_bibbs_area Is participant in BiBBS area? decimal 0 : No
1 : Yes
Complete: 23743 (98.02%)

data_source Source of data: registration (1) or tracing (2) decimal 1 : Registration
2 : Tracing
Complete: 23743 (98.02%)

study Is participant in BiB (1) or BiBBS (2) decimal 1 : BiB
2 : BiBBS
Complete: 24223 (100.00%)

not_in_eng_wales Indicates if address is not in England or Wales decimal 0 : No
1 : Yes
Complete: 24223 (100.00%)

missing_address_data Indicates if record has missing address data decimal 0 : No
1 : Yes
Complete: 24223 (100.00%)

poor_qual_data Indicates if record has poor quality data decimal 0 : No
1 : Yes
Complete: 24223 (100.00%)