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Introduction: Youth are at risk for tobacco use, and previous research has pointed to increased vulnerabilities associated with sexual minority identity. For example, LGB youth have increased odds for using tobacco than their heterosexual peers, and bisexual youth have higher odds of smoking than other sexual identity groups. As new tobacco products proliferate and health risks from dual/poly use grow, increased understanding of tobacco use patterns by sexual minority youth is needed., Methods: For 3117 youth, aged 13-18 years, who completed an online questionnaire in 2017 and identified their sexual orientation [minority (e.g. lesbian/gay, bisexual, or pansexual) vs majority (heterosexual)] and gender, we classified current tobacco use into four categories: e-cigarette only, other product only (such as cigarette, cigar, or smokeless tobacco; not an e-cigarette), dual/poly use, and no use. Analyses were conducted separately for male and female participants. Multinomial logistic regression was employed., Results: Female sexual minority youth had nearly twofold odds of dual/ poly tobacco use (OR=1.95; 95% CI: 1.12-3.40), compared to their heterosexual counterparts. For male youth, sexual minority identification was not significantly associated with dual/poly use. No significant differences were found in sexual minority and heterosexual youth e-cigarette only or other tobacco only use groups. Tobacco use patterns also significantly differed by age, race, place of residence, and parental education level., Conclusions: Study findings reveal greater odds of dual/poly tobacco use for female sexual minority youth. Tailored tobacco prevention and cessation programs or interventions are needed for sexual minority youth most at risk of tobacco use, especially multiple product use., Competing Interests: The authors have each completed and submitted an ICMJE form for disclosure of potential conflicts of interest. The authors declare that they have no competing interests, financial or otherwise, related to the current work. J. L. Hart, A. L. Giachello, A. Groom, A. Kesh, R. Landry, J. Ma, T. Payne, R. M. Robertson, T. H. Vu, K. Walker and L. Wood report grants from National Institutes of Health, during the conduct of the study., (© 2020 Hart J. L. et al.)

Introduction: Electronic nicotine delivery systems (ENDS) are a relatively new type of nicotine-containing product that has risen greatly in use within the past decade, displacing conventional tobacco products as the dominant source of nicotine exposure by many groups. Among those impacted are large sections of US youth. Though health outcomes associated with ENDS use are still being assessed, several potential harms have been noted in the extant literature. The purpose of this study is to examine which US youth subpopulations are at greatest risk for ENDS ever use and how perceptions pertaining to nicotine-containing products relate to this risk., Methods: A nationwide online survey was administered to US youth ENDS users and non-users aged 13-18 years. A total weighted sample of 2501 participants was obtained. Statistical analyses included binomial logistic regression and a likelihood ratio test., Results: Of these youth, 1346 (53.8%) reported having ever used an ENDS product. Those most likely to have used ENDS were White males in their late teens. Those who reported ever using a conventional tobacco product were much more likely to have reported ever using ENDS (AOR= 19.96; 95% CI: 15.30-26.05). A number of perceptions related to nicotine-containing products, including product safety and health effects, were significantly associated with an increased likelihood of ENDS use., Conclusions: Certain sections of the US youth population have elevated odds of being ENDS ever users. As increasing evidence supports the need to combat ENDS use by youth, effectively targeted education and prevention campaigns will be necessary., Competing Interests: The authors have each completed and submitted an ICMJE form for disclosure of potential conflicts of interest. The authors declare that they have no competing interests, financial or otherwise, related to the current work. All authors report grants from the National Institutes of Health and the Food and Drug Administration during the conduct of the study., (© 2020 Pfeiffer J. A.)

Introduction: Historically, lesbian, gay and bisexual (LGB) individuals have higher rates of cigarette smoking, often attributed to targeted tobacco advertising, exposure to stressors, and psychological distress. Elevated use of electronic nicotine delivery systems (ENDS) among LGB individuals has been documented recently. However, the LGB groups are not homogeneous and differences may exist between the use of tobacco by men and women within the LGB groups. The purpose of this research was to examine cigarette smoking, ENDS use and dual use (cigarettes plus ENDS) among LGB subgroups., Methods: We classified 2087 participants completing a national online survey based on tobacco-use status (i.e. cigarette only, ENDS only, dual use) and sexual orientation. Multinomial logistic regression was employed to assess group differences., Results: After adjusting for demographics and socioeconomic status, bisexual women were 1.85 times (95% CI: 1.19-2.87) more likely to report current dual use, in contrast to cigarette only use, compared to heterosexual women. No significant differences were found between lesbian and heterosexual women, or between gay or bisexual men and their heterosexual counterparts., Conclusions: This study describes significantly greater dual use by bisexual women and is one of the first reports of elevated dual use in this group compared to heterosexual women. These findings suggest that targeted health messages may be needed to raise awareness of risk in specific LGB groups and that future research with these populations is necessary to better understand differences in tobacco perceptions and use., Competing Interests: The authors have each completed and submitted an ICMJE form for disclosure of potential conflicts of interest. KLW reports grants from National Institutes of Health, outside the submitted work. AG, RLL and AK report grants from National Institutes of Health National Heart, Lung and Blood Institute and Food and Drug Administration Center for Tobacco Products, during the conduct of the study. JZM reports grants from National Institutes of Health National Heart, Lung and Blood Institute and Food and Drug Administration Center for Tobacco Products under Award Number P50HL120163, during the conduct of the study. RMR reports grants from National Institutes of Health National Heart, Lung and Blood Institute and Food and Drug Administration Center for Tobacco Products, and that she served as Deputy Chief Science and Medical Officer in American Heart Association, during the conduct of the study. ALG and JLH report grants from National Institutes of Health, during the conduct of the study. The rest of the authors have nothing to disclose., (© 2019 Ridner S. L.)

Introduction: In Appalachia, youth tobacco-use rates remain higher than the U.S. national average. Past research has indicated that several factors are related to high rates of tobacco use among Appalachian youth (e.g. low socioeconomic status, rural lifestyles). Of the Appalachian states, Kentucky has one of the highest rates of youth tobacco use. The aim of this study was to explore views of tobacco among Kentucky youth living in Appalachian counties., Methods: In Fall 2014 - Spring 2015, focus group interviews were conducted with middle and high school students (N=109) in Appalachian counties in Kentucky. Each focus group session included open-ended questions and was conducted by trained facilitators. Focus group transcriptions and field notes were analyzed for themes., Results: Study participants described an entrenched culture of tobacco. Three themes exemplified this culture. First, adult behavior served to enable youth tobacco use (e.g. teachers ignoring dip use in class, adults smoking with youth). Second, tobacco is easily accessible to youth (e.g. restrictions on youth sales are often ignored, family members provide). Third, symbols of tobacco are prevalent (e.g. festivals celebrating tobacco heritage, tobacco barns, and tobacco marketing logos)., Conclusions: Youth participants described a deeply rooted tobacco culture, which they believed was unlikely to change. Additional studies and health education efforts are needed in these rural communities. Further, stricter enforcement of tobacco sales and marketing restrictions may be helpful in protecting this vulnerable population., Competing Interests: CONFLICTS OF INTEREST All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none was reported.