Table 3.

Seven-Day Point Prevalence Abstinence Rates With 95% Confidence Intervals (CI) by Arm^a

	Intent to treat (N = 314)		Observed (N = 254)b
	SM only (N = 160)	SM + SGR (N = 154)	SM only (N = 132/119)	SM + SGR (N = 122)
Assessment	Percent (95% CI)	Percent (95% CI)	Percent (95% CI)	Percent (95% CI)
End of pregnancy	9 (5 to 13)	9 (5 to 14)	11 (6 to 16)	12 (7 to 17)
3-month postpartum	5 (2 to 8)	5 (2 to 8)	7 (2 to 8)	6 (2 to 8)

^aPercents (95% CI controlled for baseline education and partner smoking status).

^b N = 254 at end of pregnancy and N = 234 at 3 months postpartum.