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The online version of this article (doi:10.1007/s10865-017-9868-5) contains supplementary material, which is available to authorized users.
In efforts to combat tobacco dependence, most smoking cessation programs offer individuals who smoke the choice of a target quit date. However, it is uncertain whether the time to the selected quit date is associated with participants’ chances of achieving sustained abstinence. In a pre-specified secondary analysis of a randomized clinical trial of four financial-incentive programs or usual care to encourage smoking cessation (Halpern et al. in N Engl J Med 372(22):2108–2117, doi:10.1056/NEJMoa1414293, 2015), study participants were instructed to select a quit date between 0 and 90 days from enrollment. Among those who selected a quit date and provided complete baseline data (n = 1848), we used multivariable logistic regression to evaluate the association of the time to the selected quit date with 6- and 12-month biochemically-confirmed abstinence rates. In the fully adjusted model, the probability of being abstinent at 6 months if the participant selected a quit date in weeks 1, 5, 10, and 13 were 39.6, 22.6, 10.9, and 4.3%, respectively.
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Supplementary material 1 (DOC 64 kb)10865_2017_9868_MOESM1_ESM.doc
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- Time to selected quit date and subsequent rates of sustained smoking abstinence
George L. Anesi
Scott D. Halpern
Michael O. Harhay
Kevin G. Volpp
- Springer US