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*Of the e-cigarette users, 61.1% remained abstinent from tobacco (while 23.1% and 26.0% of tobacco-only smokers and dual users achieved tobacco abstinence). | *Of the e-cigarette users, 61.1% remained abstinent from tobacco (while 23.1% and 26.0% of tobacco-only smokers and dual users achieved tobacco abstinence). | ||
*[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5520273/pdf/tobaccocontrol-2015-052822.pdf PDF Version] | *[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5520273/pdf/tobaccocontrol-2015-052822.pdf PDF Version] | ||
===2016: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5896829/ Patterns of Electronic Cigarette Use Among Adults in the United States]=== | |||
*Although e-cigarette experimentation is most common among current cigarette smokers and young adults, daily use is highest among former smokers who quit in the past year (13.0%) and older adults. Compared to daily cigarette smokers, recently quit smokers were more than four times as likely to be daily users of e-cigarettes. | |||
*[https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5896829/pdf/ntv237.pdf PDF Version] | |||
===2015: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4375383/ A Longitudinal Study of Electronic Cigarette Use Among a Population-Based Sample of Adult Smokers: Association With Smoking Cessation and Motivation to Quit]=== | ===2015: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4375383/ A Longitudinal Study of Electronic Cigarette Use Among a Population-Based Sample of Adult Smokers: Association With Smoking Cessation and Motivation to Quit]=== | ||
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