Table 4.

Point prevalence abstinence at 4 weeks, 12 weeks, and 6 months, n (%)

Have you smoked at all in the past 7 days?		Intervention	Control	P-valuea
4 weeks				.8
	Not a single puff	12 (10.9)	14 (12.1)
	Yes or missing data	98 (89.1)	102 (87.9)
12 weeks				.3
	Not a single puff	30 (27.3)	25 (21.6)
	Yes or missing data	80 (72.7)	91 (78.4)
6 months				.99
	Not a single puff	25 (22.7)	26 (22.4)
	Yes or missing data	85 (77.3)	88 (77.6)

^a P-value for chi-square test comparing groups.