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*Mean cigarettes per day decreased by 37% when e-cigarettes were available relative to baseline. Nicotine-containing cartridges were associated with greater use and craving reduction than 0 mg. Alleviation of withdrawal symptoms and taste and enjoyment factors predicted e-cigarette use. | *Mean cigarettes per day decreased by 37% when e-cigarettes were available relative to baseline. Nicotine-containing cartridges were associated with greater use and craving reduction than 0 mg. Alleviation of withdrawal symptoms and taste and enjoyment factors predicted e-cigarette use. | ||
*[https://sci-hub.se/10.1093/ntr/ntx269 PDF Versioin] | *[https://sci-hub.se/10.1093/ntr/ntx269 PDF Versioin] | ||
===2017: [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5520273/ Cohort study of electronic cigarette use: effectiveness and safety at 24 months]=== | |||
*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] | |||
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