Non-cigarette combustible tobacco use and its associations with subsequent cessation of smoking among daily cigarette smokers: findings from the International Tobacco Control Four Country Smoking and Vaping Surveys (2016–20)

Abstract

Aims: To examine whether polyuse of cigarettes and other smoked products (polysmoking) is predictive of quit attempts and quit success. Design: A prospective multi-country cohort design. Setting: Australia, Canada, England and the United States. Participants: A total of 3983 adult daily cigarette smokers were surveyed in 2016 (wave 1 of data collection) and were re-contacted in 2018 (wave 2) (i.e. waves 1–2 cohort) in the International Tobacco Control Four Country Smoking and Vaping (ITC 4CV) surveys; and 3736 smokers were surveyed in 2018 and re-contacted in 2020 (wave 3) (i.e. waves 2–3 cohort). Measurements: Participants were asked about their cigarette smoking and use of cigars, cigarill..