Research has recommended you to definitely certain All of us mature smokers is actually changing away off puffing in order to elizabeth-cigarette smoking use. In the united states associate study could possibly get mirror for example changes in puffing from the assessing trends for the cigarette and you can age-cig incidence. The purpose of this research is always to determine if as well as how far smoking frequency is different from standard since regarding e-smoking cigarettes.

Methods

Annual quotes away from smoking and you may elizabeth-smoke use in All of us grownups different for the ages, race/ethnicity, and you can sex was indeed based on the brand new National Wellness Interview Questionnaire. Regression patterns was indeed fitted to smoking prevalence fashion in advance of e-cigarettes became widely accessible (1999–2009) and trends had been extrapolated so you’re able to 2019 (counterfactual design). Smoking prevalence discrepancies, recognized as the difference between projected and real puffing frequency away from 2010 to help you 2019, was basically calculated, to test if or not real puffing incidence differed away from the individuals expected away from counterfactual projections. The fresh new relationship between puffing discrepancies and you may age-smoke play with incidence was examined. Continuarea →