• Elias M Klemperer, Loren Kock, Marc Jerome P Feinstein, Sulamunn R M Coleman, Diann E Gaalema, and Stephen T Higgins.
• Vermont Center on Behavior & Health, Department of Psychiatry, University of Vermont, United States of America. Electronic address: elias.klemperer@med.uvm.edu.
• Prev Med. 2024 Nov 1; 188: 108112108112.

SignificanceA growing number of adults use more than one tobacco product, with dual use of cigarettes and e-cigarettes being the most common combination. Monitoring sex disparities in tobacco use is a public health priority. However, little is known regarding whether dual users differ by sex.MethodsData came from Waves 4-6 (12/2016-11/2021) of the Population Assessment of Tobacco and Health Study, a US nationally-representative longitudinal survey. This analysis included current adult dual users of cigarettes and e-cigarettes. We used weighted generalized estimating equations to assess the association between sex and (1) making a cigarette quit attempt (n = 1882 observations from n = 1526 individuals) and (2) smoking cessation (n = 2081 observations from n = 1688 individuals) across two wave pairs, adjusting for age, education, ethnicity, time-to-first cigarette after waking, and e-cigarette use frequency.ResultsAmong US dual users, 14.1% (95% Confidence Intervals [Cl] = 11.9-16.4) of females and 23.4% (20.0-26.9) of males were young adults (aged 18-24), 11.7% (9.2-14.2) of females and 14.4% (11.6-17.2) of males had ConclusionUS females who dually use e-cigarettes and cigarettes were more likely to attempt to quit smoking, but not more likely to succeed at quitting, than males.Copyright © 2024 Elsevier Inc. All rights reserved.

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