TABLE 2—
Odds of Abstinence Among Those Who Received Financial Incentives Relative to Usual Care: Financial Incentives for Abstinence in Smoking Cessation Treatment; Dallas County, TX; 2011–2013
| 4 Weeks Postquit (n = 146) |
12 Weeks Postquit (n = 128) |
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| Values | Unadjusted OR (95% CI) | Adjusted OR (95% CI) | Unadjusted OR (95% CI) | Adjusted OR (95% CI) |
| 7-d point prevalence abstinence | 2.87** (1.42, 5.77) | 3.40*** (1.61, 7.16) | 2.98* (1.24, 7.16) | 3.76** (1.45, 9.70) |
| 30-d point prevalence abstinence | . . . | . . . | 3.19* (1.22, 8.29) | 4.26** (1.50, 12.05) |
| Repeated point prevalence abstinencea | 5.40*** (1.92, 15.14) | 5.36*** (1.93, 14.90) | 5.16** (1.75, 15.21) | 5.61** (1.88, 16.69) |
| Continuous abstinence | 2.34 (0.98, 5.59) | 2.59* (1.04, 6.42) | 3.01* (1.003, 9.01) | 3.61* (1.13, 11.49) |
Note. Values in the table reflect the odds of achieving abstinence for those assigned to the adjunctive financial incentives intervention relative to usual care. Pharmacological treatment, race, gender, age, years of education, and before quitting cigarettes smoked per day were included in the adjusted models.
Repeated measures analyses included 7-day point prevalence abstinence at 1, 2, 3, 4, and 12 weeks after the quit date as the outcomes. Treatment week (time) was additionally included in both the adjusted and unadjusted analyses.
*P < .05; **P < .01; ***P = .001.