Born in Bradford Data Dictionary

Maternity records BiB infant

Table ID: BiB_Pregnancy.matrecs_bib_inf

github | csv

Entity type Variables Entities Updated Related tables
Participant 14 11010 2020-11-18 NA

Abstraction of routine information from maternal paper records for the Born in Bradford cohort. The abstraction was funded by a NIHR HTA project (11-99-02). Four trained research assistants abstracted data from maternal paper records. The abstraction was conducted in 2013. Only women with completed baseline questionnaires, oral glucose tolerance test results and birth outcomes were eligible. Data were entered straight into a web database. Accuracy of abstractions were checked on 5% of records for all abstracted data, all error rates were less than 1%. This source contains information about the BiB infant.

variable label value_type summary
has_matrecs_bib_inf Has decimal mean (sd)
1.00 (0.00)

min < median < max
1.00 < 1.00 < 1.00

100.00% complete

ChildID BiB Child ID decimal mean (sd)
19323.48 (3967.15)

min < median < max
12451.00 < 19420.50 < 26359.00

100.00% complete

has_prninf Has: Maternal records abstraction: BiB infant info decimal 1 : has
100.00% complete

prnbibirthoutc Birth outcome decimal 1 : Live birth
2 : Miscarriage
3 : Still birth
99.75% complete

prnbibreech Breech presentation decimal 1 : No
2 : Yes
3 : Don’t know
99.55% complete

prnbicordsamp Cord blood samples taken after birth decimal 1 : No
2 : Yes
3 : Don’t know
99.26% complete

prnbicordsampalph Cord lowest arterial pH decimal mean (sd)
7.22 (0.14)

min < median < max
2.25 < 7.24 < 7.57

20.51% complete

prnbicordsampvlph Cord lowest venous pH decimal mean (sd)
7.27 (0.15)

min < median < max
2.29 < 7.29 < 8.89

21.07% complete

prnbifetalsamp Fetal blood sample taken before birth decimal 1 : No
2 : Yes
3 : Don’t know
99.32% complete

prnbifetalsamplph Fetal lowest arterial pH decimal mean (sd)
7.29 (0.06)

min < median < max
6.98 < 7.30 < 7.48

3.61% complete

prnbirouteofbrt Route of birth decimal 1 : Normal
2 : Forceps
3 : Ventous
4 : Elective caesarean section
5 : Semi-elective caesarean section
6 : Emergency caesarean section
7 : Not documented
99.78% complete

prnbispecialcare Admitted to special care decimal 1 : No
2 : Yes
3 : Don’t know
99.61% complete

prntimetosampa Time from birth to arterial sample (minutes) decimal mean (sd)
13.43 (11.36)

min < median < max
0.00 < 10.00 < 90.00

19.73% complete

prntimetosampv Time from birth to venous sample (minutes) decimal mean (sd)
15.02 (11.50)

min < median < max
0.00 < 12.00 < 93.00

20.54% complete