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NAQC Newsroom: Research

Positive Psychotherapy for Smoking Cessation: A Pilot Randomized Controlled Trial.

Tuesday, December 1, 2015  
Posted by: Natalia Gromov
Christopher W. Kahler, PhD, Nichea S. Spillane, PhD, Anne M. Day, PhD, Patricia A. Cioe, PhD, Acacia Parks, PhD, Adam M. Leventhal, PhD and Richard A. Brown, PhD
Positive Psychotherapy for Smoking Cessation: A Pilot Randomized Controlled Trial.
Nicotine Tob Res (2015) 17 (11):1385-1392.doi: 10.1093/ntr/ntv011

Greater depressive symptoms and low positive affect (PA) are associated with poor smoking cessation outcomes. Smoking cessation approaches that incorporate a focus on PA may benefit smokers trying to quit. The purpose of this study was to conduct a pilot randomized clinical trial to compare standard smoking cessation treatment (ST) with smoking cessation treatment that targets positive affect, termed positive psychotherapy for smoking cessation (PPT-S). Smokers who were seeking smoking cessation treatment were assigned by urn randomization to receive, along with 8 weeks of nicotine replacement therapy, either ST (n = 31) or PPT-S (n = 35). Seven-day point prevalence smoking abstinence was biochemically confirmed at 8, 16, and 26 weeks.

Compared to ST, a greater percentage of participants in PPT-S were abstinent at 8 weeks, 16 weeks, and 26 weeks, but these differences were nonsignificant. In a more statistically powerful longitudinal model, participants in PPT-S had a significantly higher odds of abstinence (adjusted odds ratio [AOR] = 2.75; 95% CI = 1.02, 7.42; p = .046) across follow-ups compared to those in ST. The positive effect of PPT-S was stronger for those higher in PA (OR = 6.69, 95% CI = 1.16, 38.47, p =.03). Greater use of PPT-S strategies during the initial 8 weeks of quitting was associated with a less steep decline in smoking abstinence rates over time (OR = 2.64, 95% CI = 1.06, 6.56, p =.04). This trial suggests substantial promise for incorporating PPT into smoking cessation treatment.

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