penn state e cigarette dependence index Development of a Questionnaire for Assessing on Electronic Cigarettes Among a Large Sample of Ex-Smoking E-cigarette Users Using the Penn State Nicotine
Using the Penn State Nicotine Dependence Index (possible range 020), #ecig dependence increased slightly through Week 4 and then declined. At all timepoints, ecig dependence was significantly lower than combustible cigarette dependence. Vaping Dependence Assessment Questionnaire PDF Electronic Cigarette Air Pollution E cigarettes less addictive than cigarettes Penn State University Penn State study: Vapers report less dependence, addiction than cigarette smokers WHYY
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