The primary objective of this study was to identify risk factors associated with becoming susceptible to e-cigarette use over the course of a year among e-cigarette-naive adolescents considering a comprehensive model of risk factors (risk perceptions, social influences and norms, affective risk factors, and other behavioral risk factors). Data came from the Texas Adolescent Tobacco and Marketing Surveillance system (TATAMS), a longitudinal cohort study of students who were in the 6th, 8th, and 10th grades (n = 3907) during the 2014-2015 academic year. Weighted generalized linear mixed models assessed multiple predictors' associated with the transition to susceptibility to e-cigarettes at 12 months. Among 6th graders, family influence, use of other substances, and positive affect were important. Adolescents transitioning from 8th grade to high school presented the greatest number of risk factors (e.g., social and normative influences). Only sensation seeking increased the risk of susceptibility to e-cigarettes among 10th graders. Overall, by grade level, incidence of susceptibility to e-cigarettes at 12 months did not vary, but risk factor profiles varied substantially.
Historically, the tobacco industry has marketed directly to minority groups, which is associated with increased product use; the advent of e-cigarettes poses a new risk. The purpose of this study is to examine associations between exposure to tobacco marketing via traditional and digital marketing channels and ever use of e-cigarettes among Mexican-American young adults. Ninety-two Mexican-American young adults between 18 and 29 years of age (61% female) were recruited from the Cameron County Hispanic Cohort, a well-characterized population-based cohort on the U.S.– Mexico border. Participants reported their use of e-cigarettes and exposure to pro- and anti-media messages about these products in traditional and digital venues. Nearly one third reported ever using e-cigarettes and exposure to media overall was low. However, exposure to pro e-cigarette messages via digital sources was associated with increased odds of ever using e-cigarettes (OR: 2.86; 95% CI: 1.11–7.38). Results suggest that regulations on e-cigarette digital media may help to reduce e-cigarette use.
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