Maternity records pre-BiB pregnancy
Table ID: BiB_Pregnancy.matrecs_prebib_preg
Entity type | Variables | Entities | Updated | Related tables |
---|---|---|---|---|
Participant | 13 | 5611 | 2022-09-30 | 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 pregnancies from before the BiB index pregnancy.
variable | label | value_type | summary |
---|---|---|---|
has_matrecs_prebib_preg | Has maternity records pre-bib pregnancy | decimal | mean (sd) 1.00 (0.00) min < median < max 1.00 < 1.00 < 1.00 Complete: 10642 (100.00%) |
prnprebprgbirthyr | Pre BiB preg birth year | decimal | mean (sd) 2002.03 (4.31) min < median < max 1980.00 < 2003.00 < 2012.00 Complete: 10037 (94.31%) |
prnprebprggdm | Pre BiB preg GDM diagnosis | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 8711 (81.85%) |
prnprebprggdmt_diet | Pre BiB preg GDM trt: Diet | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 84 (0.79%) |
prnprebprggdmt_insulin | Pre BiB preg GDM trt: Insulin | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 60 (0.56%) |
prnprebprggdmt_lifestyle | Pre BiB preg GDM trt: Lifestyle | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 58 (0.55%) |
prnprebprggdmt_metaformin | Pre BiB preg GDM trt: Metaformin | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 0 (0.00%) |
prnprebprggdmt_none | Pre BiB preg GDM trt: None | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 2091 (19.65%) |
prnprebprggdmt_notdoc | Pre BiB preg GDM trt: not documented | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 268 (2.52%) |
prnprebprgmultipreg | Pre BiB preg number of births | decimal | mean (sd) 1.01 (0.09) min < median < max 1.00 < 1.00 < 5.00 Complete: 10586 (99.47%) |
prnprebprgogtt | Pre BiB preg OGTT done | decimal | 1 : No 2 : Yes 3 : Not documented Complete: 10574 (99.36%) |
prnprebprgperineal | Pre BiB preg perineal trauma | decimal | 1 : None 10 : Not documented 2 : 1st degree 3 : 2nd degree 4 : 3rd degree 5 : 4th degree 6 : Episiotomy 7 : Laceration 8 : Tear 9 : Graze Complete: 10570 (99.32%) |
prnprebprgpregid | Pre BiB preg ID - links to pre-BiB infant data | decimal | mean (sd) 5849.90 (3132.24) min < median < max 4.00 < 5864.50 < 11255.00 Complete: 10642 (100.00%) |