Four in 10 young adults smoke at least one of the three substances -- cigarettes, e-cigarettes or marijuana -- including 3% who smoke all three, 11% who smoke marijuana only, 9% who smoke e-cigarettes only and 3% who smoke cigarettes only
In Canada, based on 2021 data, there are still 3.8 million Canadians who smoke, representing 12% of the population aged 12+
The target sample size was 636, based on power analysis for the primary research question using G*Power, with 90% power to determine an effect size (f2) of 0.02 on our primary outcome at an alpha level of 0.05
For instance, Liqun 's Fuchun Shanju Tu has an official price, but due to scarce supply, its actual market price is far higher than the official price, making it a case of "having a price but no market." 6 Influenced by economic cycles, the growth of the high-end cigarette market has weakened, and consumption has become more rational