Table 3.

Continuous and point-prevalence abstinence rates and smoking reduction status

	3 months (n = 383)			6 months (n = 369)			12 months (n = 342)
Measures/Groups	%	Odds ratio	95% CI	%	Odds ratio	95% CI	%	Odds ratio	95% CI
Continuous abstinence
Comparison group (n = 219)	16.4			12.3			11.9
Treatment group (n = 206)	23.8	1.59	0.98–2.56	17.5	1.51	0.88–2.58	11.7	0.98	0.54–1.77
Point prevalence
Comparison group (n = 219)	19.6			14.2			14.6
Treatment group (n = 206)	27.7	1.57	1.00–2.46	19.4	1.46	0.87–2.44	12.1	0.81	0.46–1.42
Smoking reduction of 50% or greater relative to baseline
Comparison group (n = 219)	88.8			77.4			77.4
Treatment group (n = 206)	89.9	1.12	0.59–2.15	81.5	1.29	0.77–2.14	72.0	0.75	0.45–1.23

CI: confidence interval.