Abstract
Objectives
To examine the association of family smoking status and exposure to secondhand smoke (SHS) at home with the use of electronic cigarettes among US adolescents, in particular the medication effect of SHS on the association between family smoking status and electronic cigarette use.
Methods
Data from the 2013 National Youth Tobacco Survey were used and logistic regressions were conducted to model electronic cigarettes use. The mediation effect of SHS was tested using the Sobel-Goodman mediation test.
Results
Overall, 8.1 % of the US adolescents reported ever use of e-cigarettes. Among both the overall population and never-cigarette smokers, adolescents living in smoker households were significantly more likely to report ever use of e-cigarettes (p < 0.05). However, the associations were attenuated after including SHS exposure at home during the past 7 days. SHS exposure at home was positively associated with ever use of e-cigarettes, adjusting for family smoking status (p < 0.05).
Conclusions
The association between smoking habits of the family and e-cigarette use was mediated through SHS exposure. The promotion of smoke-free home rules may help prevent the uptake of e-cigarettes among teenagers.
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This article is part of the special issue “Electronic Cigarettes and Public Health”.
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Zhang, X., Pu, J. E-cigarette use among US adolescents: secondhand smoke at home matters. Int J Public Health 61, 209–213 (2016). https://doi.org/10.1007/s00038-015-0784-6
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DOI: https://doi.org/10.1007/s00038-015-0784-6