Potential deaths averted in USA by replacing cigarettes with e-cigarettes
AuthorLevy, DT; Borland, R; Lindblom, EN; Goniewicz, ML; Meza, R; Holford, TR; Yuan, Z; Luo, Y; O'Connor, RJ; Niaura, R; ...
Source TitleTobacco Control
PublisherBMJ PUBLISHING GROUP
University of Melbourne Author/sBorland, Ronald
AffiliationMelbourne School of Psychological Sciences
Document TypeJournal Article
CitationsLevy, D. T., Borland, R., Lindblom, E. N., Goniewicz, M. L., Meza, R., Holford, T. R., Yuan, Z., Luo, Y., O'Connor, R. J., Niaura, R. & Abrams, D. B. (2018). Potential deaths averted in USA by replacing cigarettes with e-cigarettes. TOBACCO CONTROL, 27 (1), pp.18-25. https://doi.org/10.1136/tobaccocontrol-2017-053759.
Access StatusOpen Access
INTRODUCTION: US tobacco control policies to reduce cigarette use have been effective, but their impact has been relatively slow. This study considers a strategy of switching cigarette smokers to e-cigarette use ('vaping') in the USA to accelerate tobacco control progress. METHODS: A Status Quo Scenario, developed to project smoking rates and health outcomes in the absence of vaping, is compared with Substitution models, whereby cigarette use is largely replaced by vaping over a 10-year period. We test an Optimistic and a Pessimistic Scenario, differing in terms of the relative harms of e-cigarettes compared with cigarettes and the impact on overall initiation, cessation and switching. Projected mortality outcomes by age and sex under the Status Quo and E-Cigarette Substitution Scenarios are compared from 2016 to 2100 to determine public health impacts. FINDINGS: Compared with the Status Quo, replacement of cigarette by e-cigarette use over a 10-year period yields 6.6 million fewer premature deaths with 86.7 million fewer life years lost in the Optimistic Scenario. Under the Pessimistic Scenario, 1.6 million premature deaths are averted with 20.8 million fewer life years lost. The largest gains are among younger cohorts, with a 0.5 gain in average life expectancy projected for the age 15 years cohort in 2016. CONCLUSIONS: The tobacco control community has been divided regarding the role of e-cigarettes in tobacco control. Our projections show that a strategy of replacing cigarette smoking with vaping would yield substantial life year gains, even under pessimistic assumptions regarding cessation, initiation and relative harm.
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