Data is from two sources; BIS3 form (baby recruitment) and BIS5 form (baby withdrawal)
Unique identifier ident
bis_baby links to the other MEIRU database table(s) using keys as indicated below in the form tablename key
bis_adhoc (BIS6) ident+intdate
bis_review (BIS4) ident+revmo
bis_babyvacc (BIS7) ident+intdate+formno
gen_identity ident
bis_mother (BIS1 and BIS2) studyno
gp_glm ident+examdate
| Cases: | 207 |
| Variables: | 59 |