Smoking and vaping among Canadian youth and adults in 2017 and 2019

E-cigarettes remain a contentious topic in public health, with debates focussing on their benefits as a smoking cessation aid1–3 versus potential increases in nicotine use among non-smoking young people.4 Accordingly, the public health impact of e-cigarettes will be determined by who is using them and for what purpose.

To date, most studies exploring the prevalence of vaping have been conducted among either youth5–10 or adults,11–13 with little evidence on overall populations of vapers. Specifically, evidence is lacking regarding the relative contribution of youth and adults, smokers and never smokers, and how these groups have contributed to overall increases in vaping at the population level.

Evidence is also required to evaluate the impact of e-cigarette policies on patterns of vaping among these different groups. Canada represents an…

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