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Open Access Dual Use of Cigarettes and JUUL: Trajectory and Cigarette Consumption

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This article is Open Access under the terms of the Creative Commons CC BY-NC-ND licence.

Objectives: Many smokers who start using ENDS engage in dual use of cigarettes and ENDS. This paper examines time trends in dual use after a JUUL Starter Kit purchase, and changes in cigarette consumption among those remaining dual users. Methods: In the ADJUSST study, a cohort of adult smokers who purchased a JUUL Starter Kit were followed naturalistically 6 times over 12 months. Trends in dual use and reported complete switching away from cigarettes (ie, no past 30-day smoking), and changes in daily average cigarettes per day from baseline at 6 and 12 months were examined. Results: Dual use declined over time as complete switching increased. By 12 months, 43.2% reported dual using, and 51.2% reported switching away from cigarettes. Among dual users, approximately 60% reduced their cigarette consumption substantially (by ≥ 50%); average reductions in cigarette consumption were > 80%. Only a small minority (3%-10%) substantially increased cigarette consumption. Conclusions: Dual use of smoking and JUUL declines over time as switching away from smoking increases. This suggests that, for most smokers, dual use is a transitional state leading to switching completely away from cigarettes. Furthermore, dual use is often marked by substantial reductions in cigarette consumption.
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Keywords: CIGARETTE CONSUMPTION; DUAL USE; E-CIGARETTES; SMOKING

Document Type: Research Article

Affiliations: 1: Scientist, PinneyAssociates Inc, Pittsburgh, PA, United States 2: Senior Scientific Advisor, PinneyAssociates Inc, Pittsburgh, PA, United States 3: Behavioral Scientist, Juul Labs Inc, Washington, DC, United States 4: Senior Director, Behavioral Affairs, Juul Labs Inc, Washington, DC, United States

Publication date: May 1, 2021

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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