Key result
Traditional cigarette smoking in 2011 and 2015 was strongly associated with lifetime e-cigarette use among young adult current and former smokers (OR 13.1; 95% CI 5.2-32.6).
Cohort (n=368)
Odds Ratio: 13.1 (95% CI 5.2–32.6)
Among young adult current and former smokers, e-cigarette use is strongly associated with persistent traditional cigarette smoking and positive perceptions of e-cigarettes.
Association does not establish causality; leaves open whether smoking precedes e-cigarette use in young adults.
Background: Electronic cigarettes (e-cigarettes) are sold in France since 2010 and have rapidly become popular. However, factors associated with e-cigarette use among young adults are not well known. Methods: We used data from the 2015 French TEMPO community based cohort study, restricted to current and former smokers with data on e-cigarette use (n = 368 adults, 23-41 years). Participants completed a self-administered questionnaire including information on family status, educational attainment, occupation and type of work contract, health problems, alcohol and cannabis use, electronic cigarette use, as well as perceptions of e-cigarettes. Use of traditional tobacco was assessed in 2011 and 2015. Data were analyzed using logistic regression models. Results: Among current and former smokers, 26.9% reported lifetime e-cigarettes use and 15.2% current use. Factors associated with lifetime use were: low socioeconomic position (OR = 2.2; 95% CI = 1.2-4.2), traditional cigarette use (OR associated with smoking in 2011 and 2015 = 13.1; 95% CI = 5.2-32.6) and positive perceptions of e-cigarettes (OR = 4.4; 95% CI = 2.4-8.1) as well as asthma (OR = 2.1; 95% CI = 0.9-4.9) and overweight/obesity (OR = 2.5, 95% CI = 0.9-6.9). Factors associated with current use were traditional cigarette smoking (OR associated with smoking in 2011 and 2015 = 3.9; 95% CI= 1.3-12.2) and positive perceptions of e-cigarettes (OR =4.4; 95% CI = 2.3-8.4). Conclusions: Young adults who use e-cigarettes tend to persist in smoking traditional cigarettes. The conditions under which e-cigarette use can help individuals quit traditional tobacco products remain to be elucidated.
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Aljandaleh et al. (2020) conducted a cohort in Current and former smokers (n=368). Traditional cigarette smoking was evaluated on Lifetime e-cigarette use (OR 13.1, 95% CI 5.2-32.6). Traditional cigarette smoking in 2011 and 2015 was strongly associated with lifetime e-cigarette use among young adult current and former smokers (OR 13.1; 95% CI 5.2-32.6).
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