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Randomized Controlled Trial
. 2023 May;37(3):475-482.
doi: 10.1037/adb0000901. Epub 2022 Dec 1.

Acute exercise-induced changes in motivation and behavioral expectation for quitting smoking as predictors of smoking behavior in women

Lisa R LaRowe  1 , Shira I Dunsiger  1 , David M Williams  1
Affiliations
Randomized Controlled Trial

Acute exercise-induced changes in motivation and behavioral expectation for quitting smoking as predictors of smoking behavior in women

Lisa R LaRowe et al. Psychol Addict Behav. 2023 May.

Abstract

Objective: Temporally static self-reports of motivation and behavioral expectation are established predictors of addictive behavior. However, previous research has not tested intervention effects on within-day changes in motivation/behavioral expectation for smoking cessation as mediators of smoking abstinence. The goals of this study were to test whether aerobic exercise exerts acute pre-postexercise effects on motivation and behavioral expectation and to test the main and interactive effects of change in motivation/behavioral expectation for cessation on subsequent smoking abstinence.

Method: We conducted secondary analyses of ecological momentary assessment data collected among N = 105 women who participated in a 12-week randomized controlled trial (RCT) examining thrice weekly aerobic exercise (vs. contact control) as an adjunct to cessation treatment. A multilevel, longitudinal mixed-effects model was used to test all pathways simultaneously.

Results: Exercise (vs. control) was associated with greater increases in motivation (p = .04), but not behavioral expectation (p > .05), pre-to-postexercise session. Increases in motivation and behavioral expectation were associated with higher odds of abstinence at next session (ps < .05), and for those with larger changes in behavioral expectation, larger changes in motivation were associated with greater odds of abstinence (p = .02). There was also an indirect effect of exercise on abstinence via acute changes in motivation (p < .05).

Conclusions: A single bout of exercise can increase motivation for quitting smoking, which may improve quit success. Moreover, increasing behavioral expectation may enhance the effect of increased motivation on cessation. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

Trial registration: ClinicalTrials.gov NCT01522274.

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References

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