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Forest plot showing the associations between dual users of e-cigarettes and cigarettes with the intention to quit and the transition outcomes at 3-year follow-up among adults (≥18 years): Population Assessment of Tobacco and Health Study, 2013–2018. Panel A: Model 1 is unadjusted; Panel B: Model 2 is adjusted for demographic, tobacco-related and presence of chronic disease variables. Dual use with the intention to quit was compared to mono cigarette use with intention to quit.
