Table 4

Predictors of 30-day abstinence pre- and post-NRT

	Unadjusted model		Model adjusted for baseline characteristics		Model adjusted for baseline and treatment characteristics
	n = 753		n = 521		n = 356
	OR (95% CI)	p Value	OR (95% CI)	p Value	OR (95% CI)	p Value
CI, confidence interval; HS, high school; OR, odds ratio; Ref, reference.
Phase
Pre-NRT	Ref		Ref		Ref
Post-NRT	2.00 (1.31 to 3.07)	0.001	1.75 (1.09 to 2.83)	0.02	1.44 (0.73 to 2.82)	0.29
Programme enrolment
One-call					Ref
Multi-session					1.03 (0.51 to 2.05)	0.94
Pharmacotherapy
No					Ref
Yes					3.02 (1.56 to 5.86)	0.001
Gender
Male			Ref		Ref
Female			0.93 (0.56 to 1.54)	0.79	0.89(0.51, 1.53)	0.66
Age (years)			1.00 (0.98 to 1.02)	0.97	0.98(0.96 to 1.00)	0.09
Education
HS or less			Ref		Ref
Some college			1.02 (0.60 to 1.75)	0.94	0.74(0.41 to 1.33)	0.32
College grad/post			2.36 (1.24 to 4.48)	0.01	1.66 (0.82 to 3.32)	0.16
Readiness to quit
Not in next 30 day			Ref		Ref
In next 30 days			1.24 (0.49 to 3.13)	0.64	1.24 (0.47 to 3.27)	0.66
Cigarettes per day			1.00 (0.98 to 1.02)	0.89	0.99 (0.97 to 1.02)	0.50
Other tobacco
No			Ref		Ref
Yes			0.81 (0.41 to 1.59)	0.54	0.85 (0.40 to 1.80)	0.67
First am cigarette
<5 minutes			Ref		Ref
6–30 minutes			1.02 (0.59 to 1.78)	0.93	0.87 (0.47 to 1.58)	0.64
31–60 minutes			1.24 (0.58 to 2.66)	0.58	0.87 (0.39 to 1.97)	0.74
>60 minutes			1.03 (0.42 to 2.49)	0.96	0.84 (0.32 to 2.16)	0.71
Quit attempt in past year
No			Ref		Ref
Yes			1.32 (0.81 to 2.13)	0.26	1.31 (0.78 to 2.21)	0.31