Self-Incentives Uniquely Boost Cessation in Community-Based Stop Smoking Programs:Randomized Controlled Trial

Brown, Emma and Smith, Debbie M. and Armitage, Christopher J. (2019) Self-Incentives Uniquely Boost Cessation in Community-Based Stop Smoking Programs:Randomized Controlled Trial. Annals of Behavioral Medicine, 53 (5). pp. 442-452. ISSN 0883-6612

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Background Self-incentives offer a plausible alternative to paying smokers to quit but have not yet been tested in a randomized controlled trial. Purpose The present study tested whether, compared with a control group, prompting smokers explicitly to self-incentivize if they abstain from smoking for a week or a month encouraged sustained abstinence. Method One hundred and fifty-nine smokers were recruited from stop smoking clinics and randomized to an active control condition (asked to form a plan to quit, n = 65) or one of two intervention conditions in which they were asked to form implementation intentions designed to ensure that they incentivized themselves if they had not smoked at all by the end of (a) the week (n = 44) or (b) the month (n = 50). The main outcome measure was self-reported abstinence at 3- and 6-month follow-ups, which was biochemically verified at baseline and in a subsample at 3-month follow-up. Results At 3-month follow-up, 34% (15/44; p < .05, d = 0.45) and 36% (18/50; p < .05, d = 0.49) of smokers abstained in the weekly and monthly self-incentivizing conditions respectively, compared with 15% (10/65) in the control. The same pattern of findings was observed at 6-month follow-up: 30% (13/44; p < .05, d = 0.35), 34% (17/50; p < .05, d = 0.45) and 15% (10/65) of smokers remained abstinent in the two intervention groups and control group, respectively. Conclusions Ensuring that smokers self-incentivized boosted significantly the effectiveness of the stop smoking program. Self-incentivizing implementation intentions could be implemented at low cost with high public health “reach” to change many health behaviors beyond smoking. Trial Registration ISRCTN11610200.

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Journal Article
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Annals of Behavioral Medicine
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24 May 2023 08:40
Last Modified:
18 Sep 2023 02:14