Prevalence and correlates of adolescents’ e-cigarette use frequency and dependence
- Author(s): Vogel, EA
- Ramo, DE
- Rubinstein, ML
- et al.
Published Web Locationhttps://doi.org/10.1016/j.drugalcdep.2018.03.051
© 2018 Elsevier B.V. Background: Understanding predictors of e-cigarette use among adolescents in the context of wide availability and extreme popularity of these products is important for prevention and treatment. This study identifies correlates of e-cigarette use frequency and dependence among adolescent users. Methods: Adolescent e-cigarette users (N = 173) were recruited from the San Francisco Bay Area. Participants reported demographic and psychosocial characteristics, e-cigarette use behaviors, and cigarette use. Bivariate relationships between potential correlates were examined, and correlates significant at p <.10 were included in full models predicting frequency and dependence. Results: In the full models, frequent use was associated with receiving one's first e-cigarette from a family member rather than a friend (r = −0.23, p <.001) or a store (= −0.13, p =.037), using nicotine in all e-cigarettes versus some e-cigarettes (r = −0.17, p =.007) or unknown nicotine use (r = −0.15, p =.014), using a customizable device versus a Juul (r = −0.22, p <.001), vape pen (r = −0.20, p =.002), or other/unknown device (r = −0.16, p =.009), and friends’ e-cigarette use (r = 0.20, p =.002). Dependence was associated with younger age of first use (r = −0.18, p =.012), friends’ use (r = 0.18, p =.01), and recent cigarette use (r = 0.17, p =.019). Conclusions: When assessing problematic e-cigarette use among adolescents, it is important to consider social factors (e.g., friends’ and family members’ e-cigarette use), device type, and dual use with cigarettes.
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