. 2022 Nov 15;25(4):738–745. doi: 10.1093/ntr/ntac258

Table 3.

Discrete-Time Survival Analysis Predicting Smoking Cessation Among Adults (≥18 years), Population Assessment of Tobacco and Health Study (Waves 1–5, 2013–2019)

	Model 1		Model 2		Model 3		Model 4		Model 5		Model 6		Model 7
	Hazard	95% CI	Hazard	95% CI	Hazard	95% CI	Hazard	95% CI	Hazard	95% CI	Hazard	95% CI	Hazard	95% CI
Coupon receipt TVC	0.69^***	0.63–0.76	0.69^***	0.62–0.75	0.81^***	0.74–0.89	0.81^***	0.74–0.89	0.80^**	0.71–0.91	0.81^***	0.73–0.91	0.80^***	0.72–0.89
Age^a			0.99^***	0.98–0.99	1	0.99–1.00	1	0.99–1.00	1	0.99–1.0	1	0.99–1.00	1	0.99–1.00
Sex (male = 1)			1.02	0.93–1.10	1.09^*	1.01–1.19	1.09^*	1.01–1.19	1.08	0.99–1.19	1.10^*	1.01–1.19	1.09^*	1.01–1.19
Race-ethnicity
NH White			REF	REF	REF	REF	REF	REF	REF	REF	REF	REF	REF	REF
Hispanic			1.22^**	1.08–1.39	0.84^*	0.73–0.96	0.84^*	0.73–0.96	0.84^*	0.73–0.96	0.83^*	0.71–0.98	0.84^*	0.73–0.96
NH Black			0.72^**	0.60–0.86	0.56^***	0.46–0.67	0.54^***	0.46–0.67	0.56^***	0.45–0.67	0.58^***	0.48–0.70	0.56^***	0.46–0.67
NH Other			1.05	0.86–1.27	0.85	0.69–1.04	0.85	0.70–1.04	0.85	0.70–1.04	0.81	0.63–1.02	0.85	0.69–1.04
Household income
$49 999 or less			REF	REF	REF	REF	REF	REF	REF	REF	REF	REF	REF	REF
$50 000 or more			1.49^***	1.34–1.65	1.30^***	1.18–1.44	1.30^***	1.18–1.44	1.30^***	1.18–1.45	1.30^***	1.18–1.44	1.27^***	1.13–1.43
Income missing			1.15	0.83–1.60	1.1	0.80–1.52	1.1	0.80–1.52	1.1	0.80–1.52	1.1	0.79–1.52	1.11	0.77–1.58
Nicotine dependence^b					0.94^***	0.92–0.96	0.94^***	0.92–0.96	0.94^***	0.92–0.96	0.94^***	0.92–0.96	0.94^***	0.92–0.96
Cigarette smoking intensity TVC^b					0.94^***	0.94–0.95	0.94^***	0.94–0.95	0.94^***	0.94–0.95	0.94^***	0.94–0.95	0.94^***	0.94–0.95
Coupon Interactions
Coupon receipt^*age							1	0.99–1.01
Coupon receipt^*sex									1.03	0.84–1.25
Coupon receipt^*race-ethnicity
NH White											REF	REF
Hispanic											1.02	0.76–1.38
NH Black											0.84	0.61–1.15
NH Other											1.26	0.82–1.93
Coupon receipt^*household income
$49 999 or less													REF	REF
$50 000 or more													1.08	0.89–1.30
Income missing													0.96	0.30–3.08

Person N = 9472; Risk N = 29 784; ^*p < .05, ^**p < .01, ^***p < .001.

^aAge was mean-centered.

^bVariable rescaled to reflect intervals of 10.