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Title

A longitudinal study of electronic cigarette users

Authors
Bullen, Chris
Published in Addictive Behaviors. 2014, vol. 39, no. 2, p. 491-494
Abstract OBJECTIVE: To assess behavior change over 12 months in users of e-cigarettes ("vapers"). METHODS: Longitudinal Internet survey, 2011 to 2013. Participants were enrolled on websites dedicated to e-cigarettes and smoking cessation. We assessed use of e-cigarettes and tobacco among the same cohort at baseline, after one month (n=477) and one year (n=367). RESULTS: Most participants (72%) were former smokers, and 76% were using e-cigarettes daily. At baseline, current users had been using e-cigarettes for 3 months, took 150 puffs/day on their e-cigarette and used refill liquids containing 16 mg/ml of nicotine, on average. Almost all the daily vapers at baseline were still vaping daily after one month (98%) and one year (89%). Of those who had been vaping daily for less than one month at baseline, 93% were still vaping daily after one month, and 81% after one year. In daily vapers, the number of puffs/day on e-cigarettes remained unchanged between baseline and one year. Among former smokers who were vaping daily at baseline, 6% had relapsed to smoking after one month and also 6% after one year. Among dual users (smokers who were vaping daily at baseline), 22% had stopped smoking after one month and 46% after one year. In dual users who were still smoking at follow-up, cigarette consumption decreased by 5.3 cig/day after one month (from 11.3 to 6.0 cig./day, p=0.006), but remained unchanged between baseline and 1-year follow-up. CONCLUSIONS: E-cigarettes may contribute to relapse prevention in former smokers and smoking cessation in current smokers.
Keywords E-cigaretteElectronic cigarette
Identifiers
PMID: 24229843
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Structures
Research group Programme de recherche sur le tabagisme (117)
Project OFSP
Citation
(ISO format)
ETTER, Jean-François, BULLEN, Chris. A longitudinal study of electronic cigarette users. In: Addictive Behaviors, 2014, vol. 39, n° 2, p. 491-494. https://archive-ouverte.unige.ch/unige:44228

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Deposited on : 2014-12-23

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