Polytobacco product use among current cigarette smokers in Hong Kong, China: results from population surveys (2015–17)

Abstract Background Polytobacco product use is increasingly popular, but little known about the prevalence, trend, and factors of such particularly in non-western countries. Method A representative sample 1139 current cigarette smokers aged 15+ (84.1% male) were telephone interviewed Tobacco Control Policy-related Surveys 2015–2017. Information collected included poly-tobacco (PTU), smoking socio-demographic characteristics. Associations PTU with related analyzed using logistic regression adjustment for confounders. Prevalence was weighted by age sex users general population. Results Eighty-four point one percent (95% CI 81.4–86.6%) exclusive smokers. Fifteen nine (13.4–18.6%) polytobacco users, 12.3% (10.2–14.8%) used tobacco 2.52% (1.59–3.97%) two products addition to cigarette. Cigarette cigar more common (6.28%, 4.75–8.27%), least e-cigarette (1.05%, 0.44–2.50%). The changes overall prevalence number varied 3 years. Current associated being male (AOR 2.01, 95% 1.12–3.61), younger (AORs range from 1.34–4.65, P trend < .001) less ready quit (2.08, 1.09–3.97). Conclusions increased slowly year, common. most cigar. Being male, PTU.