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This research aims to examine the prevalence of dual use of cigarettes and e-cigarettes in China and identify associated factors.

December 10, 2025Open Access

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Prevalence of cigarette and e-cigarette dual use and associated factors among people who smoke in China aged 20–69 years

YXYing XieBeijing Institute of Fashion Technology YLYinghua LiCentral South University ZSZheng SuChinese Academy of Medical Sciences & Peking Union Medical College

Key Points

This research aims to examine the prevalence of dual use of cigarettes and e-cigarettes in China and identify associated factors.
Cross-sectional survey of smokers aged 20-69 years in China
Data collection focused on lifetime dual use of cigarettes and e-cigarettes
Statistical analysis to identify key risk factors for dual use.
Lifetime dual use prevalence was found to be low but accounts for a significant number of individuals in China
Identification of key risk factors associated with dual use.
Evidence may assist in developing tailored tobacco control strategies.

Abstract

Although the prevalence of lifetime dual use is low, the absolute number of affected individuals in China is substantial. Our study identified key risk factors associated with lifetime dual use, providing critical evidence to inform targeted interventions for at-risk populations and guide the development of tailored tobacco control strategies.

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Prevalence of cigarette and e-cigarette dual use and associated factors among people who smoke in China aged 20–69 years

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