Table 3. Self-reported abstinence across studies.

Timeframe	aOR (95% CI)	p value	aRR (95% CI)	p value
4-weeks post quit (n = 8,315)
Intervention	2.89 (2.57, 3.26)	<0.0001	2.34 (2.12, 2.58)	<0.0001
Age (in years)	1.01 (1.01, 1.02)	<0.0001	1.01 (1.006, 1.014)	<0.0001
Female	0.99 (0.88, 1.11)	0.8124	0.99 (0.91, 1.08)	0.7904
High SES	0.94 (0.84, 1.06)	0.2971	0.96 (0.88, 1.04)	0.3064
Previous quit attempts	1.00 (0.99, 1.01)	0.7199	1.00 (0.99, 1.004)	0.7549
Fagerstrom score	0.98 (0.96, 1.00)	0.0748	0.98 (0.97, 1.00)	0.0640
3 months post-quit (n = 2,523)
Intervention	1.88 (1.53, 2.31)	<0.0001	1.60 (1.37, 1.87)	< 0.0001
Age (in years)	0.99 (0.98, 1.00)	0.0862	0.99 (0.98, 1.00)	0.0715
Female	1.03 (0.83, 1.27)	0.8140	1.02 (0.87, 1.19)	0.8426
High SES	0.93 (0.75, 1.15)	0.4935	0.95 (0.81, 1.12)	0.5420
Previous quit attempts	1.00 (0.98, 1.02)	0.8292	1.00 (0.98, 1.01)	0.8523
Fagerstrom score	0.96 (0.92, 1.01)	0.0967	0.97 (0.94, 1.01)	0.1139

aOR = adjusted Odds Ratio; aRR = adjusted Risk Ratio. Six multivariate models are shown: two for each time point, one for odds and the other for risk ratio. Point estimates are adjusted for the five covariates included in the model