Characteristics of women-offspring dyads by whether they were included or dropouts.

aNumber of women receiving a prescription and relate to a period 1 year before birth to 1 year after.
bOthers refer to prescriptions on drugs for topical use, such as Spirocort® or Brentan® and other medication for systemic use, such as propranolol or Klexane®.
cGestational mean age is given as weeks+days.
dData on smoking habits is obtained from the Aarhus Birth Cohort only.