Relative risk of non-initiation of breastfeeding associated with maternal pre pregnancy BMI.

Note: BMI = Body mass index; CI = confidence interval; RR = Relative risk; Ref = Reference group
a except for place and year of delivery
b Includes age at delivery, ethnic group, marital status, education, household income, smoking status, major or minor breast history, parity, alcohol consumption during pregnancy, any history of drug use and previous breastfeeding experience
c Includes gestational hypertension or HELLP or pre-eclampsia and gestational age at delivery
d Includes newborn’ sex, weight, weight percentile, and apgar at 5 minutes
Relative risk of non-initiation of breastfeeding associated with maternal pre pregnancy BMI.