Table 4.

Stopping smoking during pregnancy and breastfeeding for longer than 6 months (n = 77)

Variable	OR breastfeeding >6 months (95% CI)	p
Stopping smoking in pregnancya	2.8 (1.6–5.1)	0.001
Stopping smoking in pregnancyb, c	3.7 (1.6–8.8)	0.003

^aunadjusted

^breference group is women who did not stop smoking

^cadjusted for income, age of infant when mother returned to work, breastfeeding problems at or before week four postpartum, age of infant when pacifier first used and mothers infant feeding attitude (IIFAS).