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- Title
Effectiveness of a Fully Automated Internet-Based Smoking Cessation Program: A Randomized Controlled Trial (STAMP).
- Authors
Thanh, Viet Nguyen; Guignard, Romain; Lancrenon, Sylvie; Bertrand, Camille; Delva, Catherine; Berlin, Ivan; Pasquereau, Anne; Arwidson, Pierre; Nguyen Thanh, Viet
- Abstract
<bold>Introduction: </bold>The Internet offers an interesting alternative to face-to-face and telephone-based support for smoking cessation. This study was designed to assess the effectiveness of a personalized and automated Internet-based program.<bold>Methods: </bold>French current adult smokers willing to quit within 2 weeks were recruited for a randomized controlled trial. The intervention consisted of an automated program of 45 e-mails ("e-coaching") sent over a 3-month period. The control group received a PDF version of a booklet on smoking cessation. Self-reported 7-day point prevalence smoking abstinence was measured at 6 months (primary outcome), at 3 and 12 months of follow-up (secondary outcomes).<bold>Results: </bold>2478 smokers were randomized (1242 for e-coaching, 1236 for the booklet). Cessation rate in the intention-to-treat population was not significantly different between the two groups at 6 and 12 months, but was higher in the e-coaching group at 3 months than in the control group (27.5% vs. 23.5%, p = .02, odds ratio [OR] = 1.24, confidence interval [CI] = [1.03-1.49]). After adjustment for baseline conditions, the effect of the intervention in the per-protocol (PP) sample was significant at 3 months (adjusted odds ratio [aOR] = 1.72 [1.31-2.28], p < .001, N = 1042) and at 6 months (aOR = 1.27 [1.00-1.60], p = .05, N = 1082). GLM repeated measure analyses showed significant group by time interaction in the intent-to-treat and a significant group effect in the PP population.<bold>Conclusions: </bold>Analyzed intention-to-treat, e-coaching was superior to a booklet at 3 months (end of intervention) but no more superior at 6 and 12 months follow-up. Among those who actually followed the program, the effectiveness is also observed 3 months after the intervention is stopped.<bold>Implications: </bold>Analyzed intention-to-treat, our French tailored and personalized Internet-based cessation program was superior to a smoking cessation booklet at 3 months (end of intervention) but no more superior at 6 months follow-up. Among those who actually followed the program (PP population), the effectiveness is observed in the short-term but also 3 months after the intervention is stopped.
- Subjects
SMOKING cessation; INTERNET counseling; INDIVIDUALIZED programs
- Publication
Nicotine & Tobacco Research, 2019, Vol 21, Issue 2, p163
- ISSN
1462-2203
- Publication type
journal article
- DOI
10.1093/ntr/nty016