Born in Bradford Data Dictionary

BiB child core geographic information

Table ID: BiB_Geographic.ch_core_geog

github | csv

Entity type Variables Entities Updated Related tables
Participant 13 13858 2022-05-19 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 2007-04-15
to 2022-02-15

97.25% complete

child_age_m Childs actual age (months) decimal mean (sd)
77.70 (47.16)

min < median < max
0.00 < 78.00 < 180.00

100.00% complete

age_closest_data_point Age at data point closest to childs actual age decimal mean (sd)
76.27 (46.62)

min < median < max
-1.00 < 72.00 < 178.00

97.25% complete

temporal_accuracy_m Difference in months between childs age at closest data point and actual age decimal mean (sd)
-1.43 (11.16)

min < median < max
-174.00 < 0.00 < 59.00

97.25% complete

LSOA11CD LSOA 2011 code text 2746 unique values
360149 non-missing values
1 to 9 characters
WD21CD Ward 2021 code text 1375 unique values
360139 non-missing values
1 to 9 characters
is_in_bfd_la Is child in Bradford LA? decimal 0 : No
1 : Yes
97.24% complete

is_in_bibbs_area Is child in BiBBS area? decimal 0 : No
1 : Yes
97.24% complete

data_source Source of data: registration or tracing decimal 1 : Registration
2 : Tracing
97.25% complete

study Is child in BiB or BiBBS decimal 1 : BiB
2 : BiBBS
98.93% complete

not_in_eng_wales If yes (1) sensitive columns have been set to NA to avoid disclosure of data decimal 0 : No
1 : Yes
98.93% complete

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

poor_qual_data If yes (1), the geocoded data is poor quality and has been removed decimal 0 : No
1 : Yes
98.93% complete