Background It is well established that secondhand smoke (SHS) is harmful, and concern about the potential dangers associated with secondhand vapour (SHV) (ie, vapour from electronic vapour products, EVP) is growing. The present study examines the prevalence and characteristics associated with SHS and SHV exposure.
Methods Data from youth aged 11–17 who completed the 2016 Florida Youth Tobacco Survey (n=58 616) were analysed. Demographics, past 30 day SHS and SHV exposure, environmental factors, cigarette and EVP use status, SHS and SHV harm perceptions, and tobacco susceptibility were assessed. Weighted multivariable logistic regressions were performed to examine characteristics associated with SHS and SHV exposure, and SHS and SHV exposure with tobacco susceptibility.
Results Overall, 42% of Florida youth reported SHS exposure and 29% reported SHV exposure during the past 30 days. Living in a home where tobacco use was permitted (vs not permitted) was positively associated with SHS (adjusted OR (AOR) 2.57) and SHV exposure (AOR 1.56). Perceived SHS as harmful (vs not harmful) was positively associated with SHS (AOR 1.73) and SHV exposure (AOR 1.97), while perceived SHV as harmful was negatively associated with SHS (AOR 0.86) and SHV exposure (AOR 0.56). SHS and SHV exposure was significantly associated with susceptibility to cigarette and EVP use (AOR 1.40 and 2.08, respectively).
Conclusions Almost one-third of Florida youth reported SHV exposure. Factors associated with SHS and SHV exposure are somewhat similar, and exposure to SHS and SHV is associated with tobacco susceptibility in youth. Promoting tobacco-free homes is needed to protect youth from SHS and SHV exposure.
- secondhand smoke
- electronic nicotine delivery devices
- public policy
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Contributors All authors designed the study. LP and KOD obtained the data. JEB conducted the analysis. All authors interpreted the results. JEB drafted the manuscript. KC, DB, LP and KOD critically reviewed and revised the manuscript. All authors provided final approval of the version to be published, and agreed to be accountable for all aspects of the work.
Funding JEB and KC’s effort on this study was supported by the Division of Intramural Research, National Institute on Minority Health and Health Disparities. JEB’s effort was also made possible through the NIH Medical Research Scholars Program, a public-private partnership supported jointly by the NIH and generous contributions to the Foundation for the NIH from the Doris Duke Charitable Foundation, the American Association for Dental Research, the Colgate-Palmolive, Genentech, Elsevier and other private donors. LP and KOD’s effort, as well as the data collection, was supported by the Florida Department of Health.
Disclaimer The comments and opinions expressed in this article are the authors’ own and do not necessarily represent those of the US Government, Department of Health and Human Services, National Institutes of Health, National Institute on Minority Health and Health Disparities, or Florida Department of Health.
Competing interests None declared.
Patient consent Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
Data sharing statement The data are publicly available through the Florida Department of Health.
Presented at Some of these findings have been presented at the Society of Behavioral Medicine’s Annual Meeting, 11–14 April 2018, New Orleans, LA.