Table 3.

Results Of Logistic Regression Modeling which Examined Quit Rates at Week 26 by Judged and Actual Treatment Assignment (N = 512)

	Variable	Odds ratio	95% confidence interval	p-value
Model 1	Actual assignment (bupropion vs. placebo)	1.71	1.10–2.66	.017
Model 2	Judged assignment (bupropion vs. placebo)	2.21	1.29–3.79	0.004
	Judged assignment (uncertain vs. placebo)	2.06	1.05–4.01	.034
Model 3	Actual assignment (bupropion vs. placebo)	1.55	0.98–2.42	.058
	Judged assignment (bupropion vs. placebo)	2.02	1.17–3.50	.012
	Judged assignment (uncertain vs. placebo)	1.96	1.00–3.83	.050
Model 4*	Actual assignment (bupropion vs. placebo)	1.52	0.96–2.41	.076
	Judged assignment (bupropion vs. placebo)	1.85	1.05–3.24	.032
	Judged assignment (uncertain vs. placebo)	1.79	0.90–3.55	.097
	Age (10 years)	1.28	1.05–1.55	.013
	Salivary cotinine (150 ng/ml)	0.61	0.47–0.80	.0003