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    An Age-Progression Intervention for Smoking Cessation: A Pilot Study Investigating the Influence of Two Sets of Instructions on Intervention Efficacy

    Walker, Lucy ORCID logoORCID: https://orcid.org/0000-0002-1934-9312, Grogan, Sarah ORCID logoORCID: https://orcid.org/0000-0002-7510-765X, Denovan, Andrew, Scholtens, Keira, McMillan, Brian, Conner, Mark, Epton, Tracy, Armitage, Christopher J and Cordero, Maria I (2024) An Age-Progression Intervention for Smoking Cessation: A Pilot Study Investigating the Influence of Two Sets of Instructions on Intervention Efficacy. International Journal of Behavioral Medicine. ISSN 1070-5503

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    Abstract

    Background: Research on age-progression facial morphing interventions for smoking cessation has not investigated the effect of different instructions for intervention delivery. The objective of this pilot study was to investigate the influence of two instruction types used to deliver the intervention on efficacy of the intervention. Method: Women were recruited and randomly allocated to an age-progression intervention session with (i) neutral instructions; (ii) instructions designed to reassure; or (iii) a condition that controlled for participant engagement (“control”). The conditions were delivered in a one-time procedure, after which primary (quitting intentions) and secondary (cigarettes/week, quit attempts) outcomes were measured immediately post-intervention, and at 1 and 3 months. Results: Seventy-two women (M = 25.7; SD = 0.9) were recruited and randomly allocated to condition (Neutral n = 27, Reassuring n = 22, Control n = 23). Quitting intentions were higher in the Reassuring versus Control arm (3 months post-intervention, F = 4.37, p = 0.016, 95% CI [0.231, 2.539], eta2 = 0.11); quit attempts were greater in the two intervention arms (58%) versus Control (1-month post-intervention, 15%) (χ2 = 9.83, p < 0.05, OR 1.00 [0.28, 3.63]). Conclusions: Findings highlight the importance of optimising instructions to enhance intervention efficacy. Trial Registration: clinicaltrials.gov Record: NCT03749382.

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