Trends in e-cigarette brands, devices and the nicotine profile of products used by youth in England, Canada and the USA: 2017–2019

Tobacco Control - Tập 32 Số 1 - Trang 19-29 - 2023
David Hammond1, Jessica L. Reid1, Robin Burkhalter1, Richard J. O’Connor2, Maciej Ł. Goniewicz2, Olivia A Wackowski3, James F. Thrasher4, Sara C Hitchman5
1School of Public Health & Health Systems, University of Waterloo, Waterloo, Ontario, Canada
2Roswell Park Comprehensive Cancer Center, Buffalo, NY, USA
3School of Public Health, Rutgers, The State University of New Jersey, Piscataway Township, NJ, USA
4Arnold School of Public Health, University of South Carolina, Columbia, SC, USA
5Institute of Psychiatry, Psychology & Neuroscience, King’s College London, London, UK

Tóm tắt

BackgroundThe e-cigarette market has rapidly evolved, with a shift towards higher nicotine concentration and salt-based products, such asJUUL; however, the implications for youth vaping remain unclear.MethodsRepeat cross-sectional online surveys were conducted in 2017, 2018 and 2019, with national samples of youth aged 16–19 years recruited from commercial panels in Canada (n=12 018), England (n=11 362) and the USA (n=12 110). Regression models examined differences between countries and over time in the types of e-cigarette products used (design and nicotine content), reasons for using brands and differences in patterns of use, sociodemographics and dependence symptoms by brand/nicotine content.ResultsIn 2019, the use of pod- or cartridge-style e-cigarettes was greater in Canada and the USA than England, withSmokandJUULthe leading brands in all countries. In 2019, youth vapers in England were less likely to report using e-cigarettes with ≥2% nicotine (12.8%) compared with Canada (40.5%; adjusted OR (AOR)=4.96; 95% CI 3.51 to 7.01) and the USA (37.0%; AOR=3.99, 95% CI 2.79 to 5.71) and less likely to report using nicotine salt-based products (12.3%) compared with Canada (27.1%; AOR=2.77, 95% CI 1.93 to 3.99) and the USA (21.9%; AOR=2.00, 95% CI 1.36 to 2.95). In 2019, self-reported use of products with higher nicotine concentration was associated with significantly greater frequency of vaping, urges to vape and perceived vaping addiction (p<0.05 for all).ConclusionsThe use of high-nicotine salt-based products is associated with greater symptoms of dependence, includingJUULand other higher-nicotine brands. Greater use of high-nicotine salt-based products may account for recent increases in the frequency of vaping among youth in Canada and the USA.

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Tobacco Control

Tập 32 Số 1

19-29

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