Figure 1.

Differences in long-term abstinence rates from smoking cigarettes and from use of any nicotine-containing product, comparing the type of aid used for smoking cessation, 2014–2108, Population Assessment of Tobacco and Health (PATH) Study. A) e-Cigarettes used for cessation versus no e-cigarettes used for cessation. B) e-Cigarettes used for cessation versus pharmacotherapy but no e-cigarettes used for cessation. Weighted differences in rates of ≥12 months’ abstinence between e-cigarette users and a matched sample of non–e-cigarette users, matched on 26 smoking-related characteristics and further adjusted by logistic regression. Bars represent Bonferroni adjusted 95% bootstrap confidence intervals (CI). Samples were drawn from 2,852 adult respondents to the PATH Study who reported smoking at wave 2 (2014–2015), reported a quit attempt and cessation aids used at wave 3 (2015–2016), and reported abstinence outcomes at wave 4 (2017–2018). RD, risk difference.