Jackson, S;
Perski, O;
Crane, D;
Michie, S;
West, R;
Brown, J;
(2019)
Effectiveness of an offer of the Smoke Free smartphone application for smoking cessation: protocol for a randomized controlled trial.
Addiction
, 114
(11)
pp. 2078-2086.
10.1111/add.14652.
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Abstract
Background and aims: Smartphone applications (apps) hold promise for delivering tobacco smoking cessation support to large numbers of people at low unit cost. Smoke Free is an evidence-informed, widely-used app that is highly rated by users. This study aims to assess its effectiveness compared with no support. Design: Two-arm individually randomised controlled effectiveness trial. / Setting: Online trial with no restrictions on location. Participants: English-speaking smokers aged ≥18 years willing to make a quit attempt within 4 weeks from initial contact (n=4,990). / Measurements: The primary outcome measure is self-reported 26-week continuous smoking abstinence. Secondary outcome measures include quit attempts in the first 4 weeks post-randomisation, 12-week continuous smoking abstinence, and 26-week continuous smoking abstinence among those who made a quit attempt. / Comments: If it is effective, the Smoke Free smartphone app is an affordable and widely implementable intervention to help smokers to quit.
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