Tobacco Product Use Among Lesbian, Gay, and Bisexual Adolescents

Characteristics of Transition-Age Youth Engaging in Suicidal Behavior

PURPOSE

Suicide rates are markedly high among children with foster care involvement. Transition-age youth (TAY) who age-out of the foster care system are at particularly high risk.

METHODS

Analyzing data from the California Youth Transitions to Adulthood Study (n=727), this paper explores the descriptive characteristics of TAY who engage in suicidal behavior with the goals of better identifying, understanding, and supporting those at risk. We report rates of suicidal ideation and suicide attempt at four interview waves (ages 17, 19, 21, 23) and examine differences in rates by sociodemographic characteristics, past maltreatment, and behavioral health disorders.

RESULTS

At age 17, 42% of California Youth Transitions to Adulthood Study participants had thought of committing suicide and 24% had attempted suicide. Across ages, sexual minority youth reported significantly higher rates of suicidal ideation and behavior than their heterosexual peers. We also found that youth with (1) maltreatment experiences (both before and during foster care); (2) major depressive disorder, anxiety disorder or post-traumatic stress disorder; and (3) alcohol/substance abuse disorders were significantly more likely than their peers without these characteristics/diagnoses to engage in suicidal behavior at certain ages. Youth with comorbid psychiatric and substance use disorders were consistently at elevated risk.

DISCUSSION

Routine screening for suicidal behavior among TAY is important for child welfare service providers to consider. Youth at risk may benefit from more consistent assessment, mental health care, and targeted mental health intervention. Future research is needed to shed light on mechanisms linking certain sociodemographic, experiential, and behavioral health characteristics with suicidal behavior in TAY.

Prevalence of common risk factors of major noncommunicable diseases among sexual and gender minorities in Kathmandu valley, Nepal

Four noncommunicable diseases (NCDs): cardiovascular diseases, cancers, chronic respiratory diseases, and diabetes, account for 71% of global deaths. However, little is known about the NCDs risk profile of sexual and gender minorities (SGMs). This study aimed to determine the prevalence of NCDs risk factors among the SGMs of Kathmandu valley, Nepal. A cross-sectional study was conducted among SGMs in the Kathmandu valley, Nepal. We recruited 140 participants using the snowball sampling method. A face-to-face interview was done using a structured questionnaire adapted from World Health Organization Step Wise Approach to Surveillance (STEPS instruments V2.2 2019) along with blood pressure and anthropometric measurements. Data were analyzed using Statistical Package for Social Science (SPSS.v20). More than two-thirds of the participants, 96 (68.6%), had co-occurrence of NCDs risk factors. The prevalence of insufficient fruits and vegetables consumption, current smoking, harmful alcohol consumption, overweight/obesity, and hypertension were 95.7%, 40.0%, 32.9%, 28.5%, and 28.6%, respectively. There was a significant association between hypertension, harmful alcohol consumption, and overweight/obesity with the participants' age, employment status, and marital status, respectively. Study findings indicated a higher prevalence of NCDs risk factors among SGMs. National-level NCDs surveillance, policy planning, prevention, and targeted health interventions should prioritize the SGMs.

Genetic and environmental influences on early-age susceptibility and initiation of nicotine-containing product use: A twin-pairs study

INTRODUCTION

Nicotine-containing products (NCPs) such as electronic nicotine delivery systems (ENDS) are increasingly common throughout the landscape of youth use of nicotine-containing products (NCP), and have overtaken traditional cigarette smoking modalities. This study seeks to examine the genetic and environmental influences on liability for susceptibility and initiation of ENDS and other NCPs among US children.

METHODS

Data were drawn from 886 monozygotic (MZ) and dizygotic (DZ) twin pairs aged 9-10 years in the Adolescent Brain & Cognitive Development (ABCD) study at the baseline during 2016-2018. Heritability (h2) measured the proportion of the total phenotypic variation attributable to genes. Variance component models were utilized to analyze influences from the common environment (c2) and unique environmental factors (e2), taking into account correlations within twin pairs.

RESULTS

The national sample included 50% females, 69.5% of non-Hispanic Whites, 12.8% of non-Hispanic Blacks, and 11.6% of Hispanics, with a mean age of 121.5 months. The twin sets were 60% DZ and 40% MZ. Heritability was low for NCP susceptibility (h2=0) and moderate for NCP initiation (h2=39%, p=0.02). The variance associated with NCP susceptibility was primarily influenced by environmental factors, especially one's unique factors (c2=37%, p<0.0001 vs e2=63%, p<0.0001). In contrast, the variance associated with NCP initiation was split across common and unique environmental factors (c2=32%, p=0.02 vs e2=29%, p=0.02).

CONCLUSIONS

In the era with ENDS use surging among youth, NCP initiation remains to be a heritable trait with joint influence from the environment. NCP susceptibility is largely influenced by environmental factors, especially unique environments. Continued assessment of gene × environment interaction can better inform future youth NCP interventions.

Adoption of Vaping Cessation Methods by US Adolescent E-Cigarette Users

BACKGROUND

A large number of adolescent e-cigarette users intend to quit vaping or have past-year quit attempts. However, it remains unknown which methods they use in their vaping cessation efforts.

METHODS

We analyzed current (past 30-day) e-cigarette users who made ≥1 quit attempt in the past 12 months from the 2021 National Youth Tobacco Survey (NYTS) to examine the prevalence and associations of sociodemographic factors, vaping behaviors, and harm perception with the adoption of different vaping cessation methods.

RESULTS

In the 2021 NYTS, there were 1436 current vapers, and 889 (67.9%) had made a past-year quit attempt. Of those, 575 (63.7%) (weighted N = 810 000) reported they did not use any resources (unassisted quitting). Peer support (14.2%), help on the Internet (6.4%), a mobile app or text messaging (5.9%), and parent support (5.8%) were the top 4 cessation methods. Female (versus male) vapers were less likely to solicit parent support (adjusted odds ratio [AOR], 0.2; 95% confidence interval [95% CI], 0.1-0.5), whereas Hispanic (versus White) vapers were more likely to seek friend support (AOR, 2.1; 95% CI, 1.1-3.9) and parent support (AOR, 2.7, 95% CI, 1.2-6.3). Those who perceived vaping to be harmful were less likely to get friend support, but more likely to use a mobile app or text messaging program. Dual users of e-cigarettes and any other tobacco product were more likely to get help from a teacher/coach or a doctor/health care provider and treatment from medical facilities than sole e-cigarette users.

CONCLUSIONS

There were different correlates with the adoption of vaping cessation methods, highlighting the need for tailored approaches to meet the cessation needs and preferences of the adolescent vaping population.

Prevalence and Factors Associated With Vaping Cannabidiol Among US Adolescents

Importance

e-Cigarette use and vaping marijuana (cannabis) are popular among US adolescents. Cannabidiol (CBD) is a compound found in the cannabis plant that has recently increased in use.

Objectives

To examine the prevalence of and factors associated with youths vaping CBD.

Design, Setting, and Participants

This cross-sectional study included a nationally representative sample of students from middle and high schools (typical age, 11-18 years) in the US from the 2022 National Youth Tobacco Survey, conducted from January to May 2022.

Exposure

Demographic characteristics, harm perception of tobacco use, and vaping behaviors.

Main Outcomes and Measures

The main outcomes were weighted prevalence and population estimates of ever and current (past 30-day) vaping of CBD overall and by e-cigarette use status. Multivariable logistic regression analyses were conducted to estimate the association of currently vaping CBD with demographic factors and e-cigarette and tobacco use behaviors stratified by current e-cigarette use status.

Results

The study included 28 291 participants (51.1% male; mean [SD] age, 14.5 [2.0] years). Among 2448 current e-cigarette users, 21.3% (95% CI, 18.4%-24.1%) reported any past-month vaping of CBD and 6.3% (95% CI, 4.7%-7.8%) reported that they did not know whether they had vaped CBD. Hispanic e-cigarette users were more likely than their non-Hispanic White peers to report currently vaping CBD (adjusted odds ratio [AOR], 1.9; 95% CI, 1.3-2.8). Current e-cigarette users with higher frequency (≥20 days vs ≤5 days) and longer duration (2-3 years or >3 years vs <1 year) of use were more likely to report currently vaping CBD (frequency: AOR, 1.5 [95% CI, 1.1-1.9]; 2-3 years: AOR, 2.2 [95% CI, 1.2-3.9]; 3 years: AOR, 3.2 [95% CI, 1.7-6.1]). Among 25 091 noncurrent e-cigarette users, 1.2% (95% CI, 1.0%-1.5%) reported currently vaping CBD and 2.3% (95% CI, 2.1%-2.6%) reported that they did not know. High school students (vs middle school students; AOR, 4.2; 95% CI, 2.8-6.1) and gay or lesbian (AOR, 2.9; 95% CI, 1.6-5.4) or bisexual (AOR, 2.7; 95% CI, 1.8-4.0) (vs heterosexual) youths were more likely to report vaping CBD, while those who perceived tobacco as dangerous (vs not dangerous; AOR, 0.4; 95% CI, 0.3-0.6) had lower odds of reporting vaping CBD.

Conclusions and Relevance

In this cross-sectional study of US middle and high school students, the prevalence of youths vaping CBD was high, particularly among e-cigarette users and Hispanic and sexual minority populations. The findings suggest that evidence-based educational campaigns, interventions, and public policy changes are needed to reduce the harmful health outcomes possible with vaping CBD among developing youths.

Is socioeconomic status related to youth e-cigarette use? Examining family affluence and sexual identity

There is limited evidence about the relationship between socioeconomic status (SES) and youth electronic cigarette use, particularly among sexual minorities. This study investigates whether family affluence is significantly associated with e-cigarette use among youth, including sexual minority youth. Data came from the 2021 National Youth Tobacco Survey (N = 10,515). The prevalence of e-cigarette use for all participants and sexual minority youth (N = 1376) by SES was calculated and ranked according to the Family Affluence Scale. A propensity score weighting method was used to address the imbalance in characteristics among SES groups. The associations of SES with current e-cigarette use and current flavored e-cigarette use were estimated using univariate survey logistic regression for all participants and self-identified sexual minority students. The prevalence of e-cigarette use was similar among socioeconomic groups for all participants and sexual minorities. The propensity score weighting analysis showed no significant association between SES and current e-cigarette use for all participants and sexual minority students. Equally, there was no significant association between SES and current flavored e-cigarette use. Findings suggest that other protective and risk factors might explain youth e-cigarette use more than SES (family affluence scale).

Electronic Vapor Product Use Among High School Students - Youth Risk Behavior Survey, United States, 2021

Commercial tobacco use is the leading cause of preventable disease and death in the United States. Despite declines in overall tobacco product use among youths, disparities persist. This report uses biennial data from the 2015-2021 cycles of the nationally representative Youth Risk Behavior Survey to assess prevalence and trends in electronic vapor product (EVP) use among high school students, including ever use, current use (past 30 days), and daily use. Data from 2021 also included usual source of EVPs among students who currently used EVPs. Overall, in 2021, 36.2% had ever used EVPs, 18.0% currently used EVPs, and 5.0% used EVPs daily, with variation in prevalence by demographic characteristics. Prevalence of ever use and current use of EVPs was higher among female students than male students. Prevalence of ever use, current use, and daily use of EVPs was lower among Asian students than Black or African American (Black), Hispanic, Native Hawaiian or other Pacific Islander, White, and multiracial students. Prevalence of ever use, current use, and daily use of EVPs was higher among bisexual students than among students who were not bisexual. During 2015-2021, although ever use of EVPs decreased overall (from 44.9% to 36.2%) and current use of EVPs was stable overall, daily EVP use increased overall (from 2.0 to 5.0%) and among female (from 1.1% to 5.6%), male (from 2.8% to 4.5%), Black (from 1.1% to 3.1%), Hispanic (from 2.6% to 3.4%), multiracial (from 2.8% to 5.3%) and White (from 1.9% to 6.5%) students. Among students who currently use EVPs, 54.1% usually got or bought EVPs from a friend, family member, or someone else. Continued surveillance of EVP and other tobacco product use is necessary to document and understand youth tobacco product usage. These findings can be used to inform youth-focused tobacco prevention and control strategies at the local, state, tribal, and national levels.

Design and Preclinical Evaluation of Nicotine-Stearic Acid Conjugate-Loaded Solid Lipid Nanoparticles for Transdermal Delivery: A Technical Note

This study aimed to develop and evaluate nicotine--stearic acid conjugate-loaded solid lipid nanoparticles (NSA-SLNs) for transdermal delivery in nicotine replacement therapy (NRT). Nicotine conjugation to stearic acid prior to SLN formulation greatly increased drug loading. SLNs loaded with a nicotine-stearic acid conjugate were characterized for size, polydispersity index (PDI), zeta potential (ZP), entrapment efficiency, and morphology. Pilot in vivo testing was carried out in New Zealand Albino rabbits. The size, PDI, and ZP of nicotine-stearic acid conjugate-loaded SLNs were 113.5 ± 0.91 nm, 0.211 ± 0.01, and -48.1 ± 5.75 mV, respectively. The entrapment efficiency of nicotine-stearic acid conjugate in SLNs was 46.45 ± 1.53%. TEM images revealed that optimized nicotine-stearic acid conjugate-loaded SLNs were uniform and roughly spherical in shape. Nicotine-stearic acid conjugate-loaded SLNs showed enhanced and sustained drug levels for up to 96 h in rabbits when compared with the control nicotine formulation in 2% HPMC gel. To conclude, the reported NSA-SLNs could be further explored as an alternative for treating smoking cessation.

Mental health condition indicators and e-cigarette use among sexual minority youth

BACKGROUND

Sexual minorities face mental health disparities compared to heterosexual people. There is limited research on the possible connections between mental health and e-cigarette use among sexual minority youth. This study examines anxiety, depression, and e-cigarette use for sexual minority youth only and between sexual minorities versus straight youth.

METHODS

Study data were drawn from the 2021 National Youth Tobacco Survey (n = 16,065). Prevalence of self-reported anxiety and depression by sexual minority status was calculated, and the univariate analysis was assessed using Rao-Scott Chi-Square tests. Multivariable logistic regression models were used to evaluate the association of current e-cigarette use with self-reported anxiety and depression among sexual minority youth. The study also examined current e-cigarette use between sexual minorities versus straight students for those with or without anxiety and depression, and stratified analyses were performed by sex.

RESULTS

Analysis showed a substantially higher prevalence of all self-reported mental health problems among sexual minorities than straight students. Sexual minority males with anxiety (aOR 1.91, 95 % CI, 1.22-3.00), depression (aOR 2.08, 95 % CI, 1.27-3.40), moderate depression and anxiety (aOR 1.85, 95 % CI, 1.16-2.97), and severe depression and anxiety (aOR 2.03, 95 % CI, 1.16-3.56) were more likely to be current e-cigarette users than their straight peers with similar mental health conditions.

LIMITATIONS

Self-reported measures and the analysis design precludes making causal inferences.

CONCLUSIONS

Sexual minority males with mental health conditions may be particularly vulnerable to e-cigarette use and may require special efforts toward prevention and cessation.

Systems of Care Implications in Hawai'i: Sexual and Gender Minorities

Sexual and gender minorities (SGM) are diverse groups of people who do not identify as heterosexual or cisgender. SGM communities include Lesbian, Gay, Bisexual, and Transgender (LGBT) individuals as well as people of other sexual orientations and gender identities. SGM communities are disproportionately affected by substance use disorders, with differential use of specific substances among persons based on sexual or gender identity. As understood through the minority stress model, substance use and misuse among SGM people are tied to risk and resiliency factors at all levels of the social ecological paradigm. Despite the disproportionate burden of substance use disorders on SGM people in Hawai'i, very few resources or programs exist to ameliorate the impact of substance use on this community. Although some models of care could be useful for SGM people, community-specific interventions are scarce, especially in Hawai'i. To successfully meet the needs of SGM people in Hawai'i, multi-level transformation of the substance use prevention and treatment landscape must address: culturally appropriate service delivery; workforce recruitment and development; nimble and adequate financing; consistent data collection and reporting; and systems-level policy updates.

Intersectionality of Sexual Orientation With Race and Ethnicity and Associations With E-Cigarette Use Status Among U.S. Youth

INTRODUCTION

Although structural discrimination against sexual and racial/ethnicity minorities is a putative risk factor for youth tobacco use, understanding health disparities in youth E-cigarette use at the intersection of sexual orientation, race, and ethnicity is still lacking. This study aims to examine the differences in E-cigarette use prevalence among U.S. youth at the intersections of sexual orientation with race and ethnicity.

METHODS

E-cigarette use status (never, experimental, or current use) was analyzed among 38,510 U.S. youth using a pooled data set from the Youth Risk Behavior Surveillance System 2015-2019. The weighted E-cigarette use status between youth at the intersections of sexual orientation with race and ethnicity was reported, stratified by sex. Multivariable multinomial regression adjusting for relevant covariates was further conducted. Data analyses were performed in April 2022.

RESULTS

After controlling for other covariates, the RRR of current E-cigarette use compared with never use between lesbian Black girls (and heterosexual Black girls) was higher than between lesbian White girls (and heterosexual White girls) (adjusted RRR=6.99; 95% CI=2.21, 22.14). The RRR of current E-cigarette use compared with never use between lesbian other race/multiracial girls (and heterosexual other race/multi-racial girls) was higher than between lesbian White girls (and heterosexual White girls) (adjusted RRR=3.60; 95% CI=1.06, 12.26).

CONCLUSIONS

This study has shown that sexual minority Black girls were more likely to currently use E-cigarettes than heterosexual Black girls. Future studies should examine the underlying reasons for current E-cigarette use among girls with intersectional identities, including race and sexual orientation.

Associations of California's Tobacco 21 Minimum Sales Age Law with Tobacco Use Among Sexual Minority Adolescents: A Trends Analysis

INTRODUCTION

In 2016, California enacted a law (T21) prohibiting tobacco product sales to individuals under 21 years of age. Given tobacco use disparities among sexual minority (SM) youth, this study investigated whether California's T21 law was differentially associated with changes in tobacco use for SM and non-SM adolescents.

AIMS AND METHODS

Secondary analyses of California Healthy Kids Survey data from 2013-2014 to 2018-2019 for 7th, 9th, and 11th graders (N = 2 229 401).

RESULTS

Multilevel mixed-effects logistic regression analyses showed that SM students were more likely than non-SM students to report past-30-day and lifetime cigarette (odds ratio (OR) = 2.47; OR = 2.37), e-cigarette (OR = 1.21; OR = 1.10), smokeless tobacco use (OR = 1.95; OR = 1.56), and use of any tobacco product (OR = 1.94; OR = 1.61). Among SM youth, T21 was associated with significant reductions in lifetime e-cigarette use (OR = 0.66), and lifetime use of any tobacco products (OR = 0.75). These decreases generally were greater than or equivalent to those observed for non-SM youth. For 30-day e-cigarette and any tobacco use, SM youth showed no significant increases, whereas non-SM youth showed significant increases (OR = 1.06; OR = 1.11) following T21. T21 was associated with smaller increases in lifetime cigarette use (OR = 1.34), and larger increases for past-30-day and lifetime smokeless tobacco use (OR = 1.34; OR = 1.28) among SM students, to those observed for non-SM students.

CONCLUSIONS

California's T21 policy may help reduce tobacco use disparities among SM students who are more at risk for tobacco use than their non-SM peers.

IMPLICATIONS

Research on associations of T21 laws with tobacco use among sexual minority (SM) adolescents is lacking. The potential for unintended consequences of T21 for these adolescents raises concerns about increased health disparities. Importantly, our study generally found California's T21 was associated with reductions in tobacco use among SM students that were equivalent to or greater than those for non-SM students. Future research should investigate whether T21 laws and similar policies have differential effects for other marginalized groups and, if so, identify mechanisms that can be targeted in prevention efforts.

Adolescent Use of Flavored Non-Tobacco Oral Nicotine Products

BACKGROUND AND OBJECTIVES

Flavored non-tobacco oral nicotine products (eg, nicotine pouches and nontherapeutic nicotine gum, lozenges, tablets, gummies), are increasingly marketed in the United States. Prevalence of non-tobacco oral nicotine product use among adolescents is unknown.

METHODS

We calculated prevalence of ever and past 6-month use of nicotine pouches, other non-tobacco oral nicotine products (ie, gum, lozenges, tablets, and/or gummies), e-cigarettes, cigarettes, hookah or waterpipe, cigars, cigarillos, and snus among high school students in Southern California between September and December 2021. Generalized linear mixed models tested associations of sociodemographic factors and tobacco-product use with use of any non-tobacco oral nicotine product.

RESULTS

Among the sample (n = 3516), prevalence was highest for e-cigarettes (ever: 9.6%, past 6-month: 5.5%), followed by non-tobacco oral nicotine products (ever: 3.4%, past 6-month: 1.7%), and <1% for other products. Ever users of combustible tobacco (adjusted odds ratio [aOR] = 77.6; 95% confidence interval [CI] = 39.7-152) and ever users of noncombustible tobacco (aOR = 40.4; 95% CI= 24.3-67.0) had higher odds of ever using non-tobacco oral nicotine products, compared to never users of combustible and noncombustible tobacco. Use of any non-tobacco oral nicotine product was greater for Hispanic (versus all other races/ethnicities except Asian, aOR = 2.58; 95% CI = 1.36-4.87), sexual minority (versus heterosexual, aOR=1.63; 95% CI = 1.03-2.57), gender minority (versus male, aOR = 2.83; 95% CI = 1.29-6.19), and female (versus male, aOR=1.92, 95% CI = 1.20-3.06) participants.

CONCLUSIONS

Non-tobacco oral nicotine products were the second most prevalent nicotine product used by adolescents. They were disproportionately used by certain racial or ethnic, sexual, or gender minority groups, and those with a history of nicotine use. Adolescent non-tobacco oral nicotine product use surveillance should be a public health priority.

Disparities in alcohol use and heavy episodic drinking among bisexual people: A systematic review, meta-analysis, and meta-regression

BACKGROUND

Alcohol consumption is more prevalent among sexual minorities than among heterosexuals; however, differences between minority sexual orientation groups are understudied. This systematic review and meta-analysis aimed to summarize existing evidence on the prevalence of alcohol use among bisexual people compared to their lesbian/gay and heterosexual counterparts.

METHODS

A systematic review of literature from 1995 to May 2020 was performed using Medline, PsycInfo, and Embase (OVID), Scopus, CINHAL and LGBT Life (EBSCO), combining keywords for bisexuality and alcohol use. Peer-reviewed publications that reported quantitative data on alcohol use among bisexual people were included. A random-effects model was used to pool the prevalence of two outcomes: any alcohol use and heavy episodic drinking (HED). Subgroup analysis and random-effects meta-regression were used to explore heterogeneity.

RESULTS

Of 105 studies eligible for data extraction, the overall prevalence of alcohol use was higher among bisexuals compared to lesbian/gay and heterosexual people. For example, the prevalence of past-month HED was 30.0% (28.2, 31.8) among bisexual people versus 25.5% (23.8, 27.2) among lesbian/gay and 21.3% (19.6, 23.0) among heterosexual individuals. Pooled odds ratio estimates showed that bisexual people were more likely to report alcohol use and HED compared to their counterparts. Gender was a significant effect modifier in meta-regression analysis, with greater disparities among women than among men.

CONCLUSIONS

These results highlight the need for additional research to understand factors underlying bisexual people's greater risk, and particularly bisexual women, as well as alcohol use interventions that are targeted towards the specific needs of bisexual people.

Cancer Screening among Rural People Who Use Drugs: Colliding Risks and Barriers

Rural cancer disparities are associated with lesser healthcare access and screening adherence. The opioid epidemic may increase disparities as people who use drugs (PWUD) frequently experience healthcare-associated stigmatizing experiences which discourage seeking routine care. Rural PWUD were recruited to complete surveys and interviews exploring cancer (cervical, breast, colorectal, lung) risk, screening history, and healthcare experiences. From July 2020–July 2021 we collected 37 surveys and 8 interviews. Participants were 24.3% male, 86.5% White race, and had a mean age of 44.8 years. Females were less likely to report seeing a primary care provider on a regular basis, and more likely to report stigmatizing healthcare experiences. A majority of females reporting receiving recommendations and screens for cervical and breast cancer, but only a minority were adherent. Similarly, only a minority of males and females reported receiving screening tests for colorectal and lung cancer. Screening rates for all cancers were substantially below those for the US generally and rural areas specifically. Interviews confirmed stigmatizing healthcare experiences and suggested screening barriers and possible solutions. The opioid epidemic involves millions of individuals and is disproportionately experienced in rural communities. To avoid exacerbating existing rural cancer disparities, methods to engage PWUD in cancer screening need to be developed.

Electronic cigarette use among sexual minority and heterosexual young adults in a U.S. national sample: Exploring the modifying effects of advertisement exposure

Sexual minorities demonstrate disparities in traditional cigarette use and nicotine-related health consequences. Electronic cigarette (e-cigarette) use is increasing, particularly among adolescents and young adults. Sexual minorities have been found to use e-cigarettes at higher rates than heterosexuals, but little is known about reasons for this disparity. The present study examined characteristics of current and lifetime e-cigarette use between sexual minority and heterosexual young adults (18-34; N = 14,174) using a U.S. national sample from the Population Assessment of Tobacco and Health (PATH) Survey-Wave 3. Sexual minority young adults were hypothesized to have higher rates of current and lifetime e-cigarette use and higher rates of exposure to e-cigarette advertisements. These exposures were hypothesized to moderate the relationship between sexual minority status and current e-cigarette use. Results revealed that sexual minority respondents demonstrated greater risk of current e-cigarette use after adjusting for several covariates (e.g., sex, age, lifetime cigarette use). However, advertisement exposures did not moderate the relationship between sexual minority status and current e-cigarette use. In contrast, sexual minority status was not associated with lifetime e-cigarette use after controlling for covariates. Post-hoc tests revealed that sexual minority status was associated with heightened risk of current and lifetime e-cigarette use only among females. This is the first study to examine the impact of e-cigarette advertising across expanded settings, including point of sale locations (e.g., retail, bars, festivals), while exploring differences in current and lifetime e-cigarette use among sexual minority and heterosexual males and females.

Exposure to tobacco and e-cigarette advertisements by sexual identity status among high school students

INTRODUCTION

The literature on tobacco advertising among sexual minorities is relatively scarce. This study examined the association between exposure to tobacco products and e-cigarettes advertisements and sexual identity.

METHODS

Data were from the 2020 National Youth Tobacco Survey (n = 7223). The prevalence of exposure to tobacco marketing through various channels was estimated among high school students and by sexual identity subgroups. Multivariable logistic regressions were used to examine the association between sexual identity status and exposure to tobacco and e-cigarette advertisements.

RESULTS

The proportion of sexual minority adolescents who reported exposure to tobacco and e-cigarette advertisements was higher than heterosexuals. In multivariable analysis, gay or lesbian youth (aOR 1.45, 95% CI, 1.04-2.02) had higher odds of any exposure to tobacco and e-cigarette advertisement than heterosexuals. Regarding the channel of advertisement exposure, sexual minorities were more likely to be exposed via newspapers/magazines for cigarettes or other tobacco products. Likewise, gay or lesbian youth and those not sure about their sexual identity had higher odds of exposure via newspapers/magazines for e-cigarettes. Analysis stratified by sex showed significant differences, with gay or lesbian males more likely to be exposed to any tobacco and e-cigarette advertisements via the internet, newspapers/magazines, and TV/streaming services. Males not sure about their sexual identity are more likely to be exposed to tobacco and e-cigarette advertisements via newspapers/magazines.

CONCLUSIONS

Overall, sexual minority adolescents had high exposure to tobacco products and e-cigarette advertisements, especially males. Prevention and intervention efforts targeting this population could help reduce the well-established tobacco use disparities.

Timing of ENDS Uptake by Sexual Orientation among Adolescents and Young Adults in Urban Texas

Introduction

Early-onset of Electronic Nicotine Delivering Systems (ENDS) use puts users at higher risk of developing a regular ENDS use pattern and/or transitioning to combusted tobacco products. Previous studies on ENDS use among adolescents have not considered sexual orientation as a fluid trait that can change over time. Our objective was to evaluate whether ENDS initiation differed by sexual orientation in a longitudinal, population-based cohort of adolescents transitioning into young adulthood in Texas.

Methods

Sample (n = 1712) was drawn from the Texas Adolescent Tobacco and Marketing Surveillance System (waves 5–11) and stratified into three groups, representing sexual orientation: (1) respondents who reported being heterosexuals at each wave (straight), (2) those who consistently self-identified as lesbian, gay or bisexual individuals (LGB), and (3) subjects who reported sexual orientation mobility across waves (mobile). Nonparametric models for interval-censored data were used to estimate the cumulative distribution of age at ENDS initiation by sexual orientation group. Cox models for interval-censored data were used to evaluate whether ENDS initiation varied by sexual orientation group after adjusting for sex assigned at birth, race/ethnicity, cohort, and socioeconomic status.

Results

Compared to Straight adolescents, the risk of earlier-onset of ENDS use was higher among mobile individuals (HR = 1.43, 95% CI: 1.12 to 1.83) and LGB individuals (HR = 1.49, 95% CI: 1.13 to 1.98), respectively, after adjusting for sociodemographic risk factors. Differences between Straight adolescents and LGB/mobile individuals became more pronounced with increasing age.

Conclusion

Analyzing sexual mobility overtime is necessary for understanding the risk associated with youth ENDS initiation and subsequent use.

Implications

Future research should use more accurate sexual orientation assessments to explore further the relationship between sexual orientation mobility and early-onset Electronic Nicotine Delivering Systems (ENDS) use. Understanding the implications of sexual orientation mobility on ENDS initiation will be critical for developing inclusive public health programs aimed at preventing or delaying ENDS use and for providing practical recommendations at state and local levels.

Disparities in the frequency of tobacco products use by sexual identity status

BACKGROUND

Largely absent from the literature are studies examining differences in tobacco use frequency among sexual minority populations versus heterosexuals. The current study examined the frequency of tobacco product use (i.e., cigarette, e-cigarettes and cigars, smokeless tobacco, hookah, and heated tobacco products) among sexual minority students versus heterosexuals (straight).

METHODS

Data from the 2020 National Youth Tobacco Survey (n = 14,531) were analyzed to examine the association between sexual identity (lesbian or gay, bisexual, not sure, and heterosexual or straight) and tobacco use frequency. Negative binomial regression and zero-inflated negative binomial models were used to assess the association between sexual identity and each tobacco use frequency among current and ever users.

RESULTS

Current e-cigarettes users who identified as gay or lesbian used e-cigarette more frequently than heterosexual students. Multivariable count regression analysis showed that the e-cigarette use frequency in the past 30 days was significantly higher for gays or lesbians (IRR 1.45, 95% CI, 1.19-1.76) compared to heterosexuals. Similarly, gay or lesbian students who were current hookah users on average reported 81% more days of hookah use (IRR, 1.81, 95% CI, 1.08-3.03). The frequency of cigarette smoking was also significantly higher among bisexual cigarette smokers. No significant differences were found in other tobacco product use frequencies between sexual minority and heterosexual youths.

CONCLUSION

Sexual identity was associated with tobacco use frequency, especially for e-cigarettes and hookah. Elevated tobacco use among sexual minority groups deserves special consideration among a population group that is highly vulnerable to marketing and advertisement targeting.

Hierarchical Analysis of Disparities in Suicidal Outcomes With Intersection of Sexual Minority and Gender Among U.S. Youth, 2017

Sexual minority youth have a higher risk of suicidal behaviors than their straight peers. Despite this alarming trend, there is limited information on how health-risk factors are systematically associated with suicidal outcomes in relation to the intersection of sex and sexual orientation identity. Data from the 2017 Youth Risk Behavior Survey (Grades 9-12, N = 14,108) were analyzed to examine three distinct suicidal outcomes (i.e., suicidal ideation, suicide planning, and suicide attempt). Separate hierarchical logistic regression models were performed to gradually adjust for influencing factors in examining the association between suicidal outcomes and sexual orientation identity (i.e., heterosexual, gay/lesbian, bisexual, and unsure), stratified by self-reported sex. There exist significant differences in youth suicidal behaviors based on sexual orientation identity and sex: lesbians (adjusted odds ratio [AOR] = 2.7, 95% CI [1.5, 5.0]), bisexual girls (AOR = 1.9, 95% CI [1.3, 2.6]) and bisexual boys (AOR = 2.6, 95% CI [1.3, 5.2]) had higher odds of suicide attempts than their straight peers. Unsure boys and girls also reported higher risks of suicidal ideation and suicide plan as compared with their straight peers. Having a very short sleep duration, reporting ever use of illicit drugs, being bullied, and feeling sad/hopeless were associated with elevated risks of suicidality across males and females. This study identified potential disparities in suicidal outcomes by sexual orientation identity as well as factors that attenuate or strengthen this relationship in a representative sample of adolescents across the United States. An improved understanding of the differences in suicidal outcomes will serve as an opportunity to ameliorate any potential inequalities and improve sexual minority youth' health outcomes.

Minority Stress and Nicotine Use and Dependence among Sexual Minority Youth

Sexual minority youth (SMY), especially those who are plurisexual (e.g. bisexual, pansexual, queer), are more likely to use nicotine or develop nicotine dependence than their heterosexual peers, and this disparity is often attributed to minority stress (e.g. discrimination). This study tested the association between minority stress and nicotine use and dependence among SMY and examined the moderating role of impulsivity. A sample of SMY (N = 85; aged 14-19; 80.6% White; 80% plurisexual) who were active nicotine users were recruited from the community. Results indicated that greater discrimination experiences were associated with more nicotine use days and higher nicotine dependence symptoms. However, impulsivity did not moderate the relationship between discrimination and nicotine use or dependence. These results highlight the potential importance of minority stress in understanding SMY's risk for nicotine use and dependence. This research suggests the need for identifying factors that could place some SMY at greater risk for nicotine use and dependence and points to potential clinical implications for nicotine cessation interventions for SMY.

Tobacco Craving, Nicotine Dependence, and Quit Intentions among LGB and Non-LGB High School Students: A Quasi-Experimental Analysis

There is evidence of higher tobacco use among lesbian or gay and bisexual (LGB) populations. However, a limited number of studies have examined whether there are differences in potential indicators of future tobacco cessation behaviors between LGB and non-LGB populations. This study examined whether sexual identity is associated with craving, nicotine dependence, and quit intentions among high school students. Data were drawn from the 2020 National Youth Tobacco Survey (n = 1642). A propensity score matching (PSM) technique was used to address covariate imbalance among sexual identity groups. Additionally, subgroup analyses were performed for both males and females. The PSM results showed higher odds of craving among students who were gay or lesbian (aOR, 1.70; 95% CI = 1.13-2.55) and bisexual (aOR, 1.89; 95% CI = 1.23-2.92) compared to heterosexual (straight) students. In the sex-based subgroup analyses, we found that gay or lesbian (aOR, 1.92; 95% CI = 1.10-3.34) and bisexual (aOR, 3.12; 95% CI, 1.46-6.66) male students had significantly higher odds of craving when compared to heterosexual/straight male adolescents. However, the association was not significant in female students. Additionally, female bisexuals had significantly lower odds for quit intention (aOR, 0.48; 95% CI = 0.29-0.81) when compared to heterosexual/straight female adolescents. Results also showed no significant differences between LGB and non-LGB students for nicotine dependence. Sexual minority adolescents, especially male adolescents, were more likely to have tobacco cravings and bisexual females had lower odds of quit intention than heterosexual peers. Prevention efforts targeting this subpopulation may be beneficial.

Cigarette Smoking and Minority Stress Across Age Cohorts in a National Sample of Sexual Minorities: Results From the Generations Study

BACKGROUND

Sexual minority populations in the United States have persistently higher rates of cigarette use than heterosexuals, partially driven by exposure to minority stressors (e.g., discrimination and victimization). Little is known about cigarette use across cohorts of sexual minority adults who came of age in distinctly different sociopolitical environments.

PURPOSE

To examine cigarette use and minority stressors across three age cohorts of U.S. sexual minority adults.

METHODS

We used data from the Generations Study, a nationally representative sample (N = 1,500) of White, Black, and Latino/a sexual minority adults in three age cohorts (younger: 18-25 years; middle: 34-41 years; and older: 52-59 years). Survey data were collected from March 2016 to March 2017. We used sex-stratified logistic regression models to estimate adjusted odds ratios (aORs) and 95% confidence intervals (CIs) for associations between age cohort, minority stressors (discrimination and victimization), and two indicators of cigarette smoking (lifetime use and current use).

RESULTS

Prevalence of current cigarette use in each age cohort was high (younger: 20%; middle: 33%; and older: 29%). Relative to the younger cohort, men and women in the middle- and older-age cohorts had significantly higher odds of lifetime and current smoking (e.g., men, current, aOR [95% CI]: middle = 2.47 [1.34, 4.52], older = 2.85 [1.66, 4.93]). Minority stressors were independently associated with higher odds of current smoking; when victimization was included, the magnitude of the association between age cohort and current smoking was diminished but remained significant.

CONCLUSIONS

Smoking cessation interventions must consider the role of minority stress and the unique needs of sexual minority people across the life course.

Developmental Differences in Sexual Orientation and Gender Identity-Related Substance Use Disparities: Findings From Population-Based Data

PURPOSE

Despite well-established substance use disparities between sexual and gender minority adolescents and their heterosexual, cisgender peers, there remain questions about whether there are developmental differences in the onset and progression of these disparities across adolescence. These perspectives are critical for prevention efforts. We therefore estimate age-based patterns of five substance use behaviors across groups of adolescents defined by sexual orientation and gender identity (SOGI).

METHODS

Data are from the 2013-2015 cycles of the California Healthy Kids Survey (N = 634,454). Substance use was assessed with past 30-day e-cigarette use, combustible cigarette use, alcohol use, heavy episodic drinking, and marijuana use. Two- and three-way interactions were used to assess differences in age-specific prevalence rates of each substance by (1) sex and sexual identity; and (2) gender identity.

RESULTS

Across all substances, SOGI differences in past 30-day use were present by age 12 years. Most disparities persisted to age 18 years and older. SOGI disparities in combustible and e-cigarette use were wider in late adolescence. Analyses by sexual identity show that sexual minority girls reported the highest rates of substance use across age, followed by sexual minority boys.

CONCLUSIONS

SOGI differences in substance use emerged in early adolescence and appeared to persist and accelerate by late adolescence. Sexual minority girls had the highest rates of substance use across all ages. The findings underscore the urgent need for screening and prevention strategies to reduce substance use for sexual and gender minority youth.

Electronic Vapor Product Use and Sexual Risk Behaviors in US Adolescents

BACKGROUND AND OBJECTIVES

Adolescent electronic vapor product (EVP) usage continues to increase and is associated with heightened engagement in other risk behaviors. However, there is limited research on associations between youth EVP use and sexual risk behaviors (SRBs). In this study, we examined how current youth EVP and/or cigarette usage, as well as EVP usage frequency, is related to several SRBs.

METHODS

Respondents (N = 12 667) of the 2017 National Youth Risk Behavior Survey were categorized by previous 30-day EVP and/or cigarette usage: nonuse, EVP use only, cigarette use only, or dual use. Separately, respondents were categorized by previous 30-day EVP usage frequency: 0, 1 to 9, 10 to 29, or 30 days. Ten SRBs were identified as dependent variables. Adjusted prevalence ratios were calculated by using modified Poisson regression to determine associations between SRBs and both current EVP and/or cigarette usage and EVP usage frequency. Linear contrasts compared adjusted prevalence ratios across usage and frequency categories.

RESULTS

Youth EVP-only users and dual users were more likely than nonusers to engage in 9 of 10 SRBs. Prevalence proportions did not differ between EVP-only users and dual users for 7 of 10 behaviors. Occasional EVP users were more likely than nonusers to engage in 9 of 10 SRBs and were similarly as likely as frequent and daily users to engage in all 10 SRBs.

CONCLUSIONS

EVP usage among US high school students, with or without concurrent cigarette use, was associated with heightened engagement in several SRBs. Prevalence of engagement in most SRBs did not differ among occasional, frequent, and daily EVP users.

Differences in Tobacco Product Use by Sexual Orientation and Violence Factors Among United States Youth

OBJECTIVE

To assess differences in the relationship between violence factor exposure and tobacco product pattern use (exclusive and poly), we hypothesized that compared with heterosexuals, sexual minority youth would be more likely to report exclusive-tobacco and poly-tobacco use patterns, and controlling for violence factors would attenuate these associations.

STUDY DESIGN

Data from 27 513 US high-school youth were analyzed from the Centers for Disease Control and Prevention's Youth Risk Factor Surveillance System from 2015 and 2017. We fit sex-stratified, weighted, adjusted log-Poisson models to compare past 30-day exclusive combustible, exclusive e-cigarette, and poly-tobacco use in across sexual orientation. Then, models were adjusted for past-year experiences of physical fighting, bullying, attempting suicide, and physical and sexual dating violence.

RESULTS

Compared with heterosexual girls with other-sex partners, sexual minority girls were more likely to use exclusive combustible, exclusive e-cigarette, or poly-tobacco products. When adjusting for violence factors, most tobacco use associations were partially attenuated for all sexual minority girls, and completely attenuated for exclusive e-cigarette use among all sexual minority girls.

CONCLUSIONS

Sexual minority girls have greater exclusive- and poly-tobacco use compared with heterosexual girls. Tobacco interventions for sexual minority youth should address the risks of poly-tobacco use as well as violence-based risk factors.

Sexual Minority Status and Marijuana Initiation during Adulthood: A Longitudinal Study Using Nationally Representative Data

INTRODUCTION

Sexual minorities (i.e. individuals who identify as lesbian, gay, and bisexual) are at increased risk for marijuana use. However, little is known about initiation during adulthood. This study examines: (1) sexual minority status as a risk factor for marijuana initiation, and (2) the modifying effect of sex (labeled at birth) on this relationship. Methods: We analyzed Wave 1 (2013-2014) and Wave 2 (2014-2015) of the Population Assessment of Tobacco and Health, a nationally representative survey. Participants were n = 10,756 adult never marijuana users. A multivariable logistic regression examined the relationship between sexual minority status and initiation of marijuana use at Wave 2. Multivariable logistic regressions, stratified by sex, were used to assess for effect modification. Covariates were sex, age, race/ethnicity, income, currently attending college, and mental health well-being. Results: Approximately 1.1% of adults initiated marijuana use from Wave 1 to Wave 2. Sexual minority status was associated with 1.57 (95% CI: 1.00-2.46) greater odds of marijuana initiation. In stratified analyses, sexual minority status was associated with greater odds of marijuana initiation for females (Adj OR: 1.97; 95% CI: 1.19-3.26) but not males (Adj OR: 0.84: 95% CI: 0.33-2.16). Conclusions: Sexual minority status is a risk factor for marijuana initiation during adulthood. This relationship was only consistent for females, suggesting that sex may be an effect modifier. However, research designed and powered to directly detect this effect is needed. Findings highlight a need for public health interventions that reduce disparities in marijuana use among sexual minorities.

Understanding pathways to e-cigarette use across sexual identity: A multi-group structural equation model

This study explored the relationships between sexual violence, smoking behaviors, suicidality and past 30-day e-cigarette use under the theoretical framework of Minority Stress Theory. The 2017 National Youth Risk Behavioral Survey was utilized to study a nationally representative sample of sexual minority (lesbian, gay, bisexual, and unsure) and heterosexual high school students (N = 7882). Multi-group structural equation modeling (SEM) was employed to examine whether sexual violence and suicidality had a direct effect on e-cigarette use, after controlling for prior smoking behaviors (cigarette, cigar, and marijuana use). Suicidality and smoking behaviors were examined as mediators of the relationship between sexual violence and e-cigarette use, and suicidality was examined as a mediator of the relationship between sexual violence and smoking behaviors. This model was tested for invariance across sexual minority and heterosexual students. For both groups, smoking behaviors had significant direct effects on e-cigarette use, yet suicidality revealed no significant direct effects. Both suicidality and sexual violence had significant indirect effects on e-cigarette use through their effects on smoking behaviors. Sexual violence had a significant direct effect on e-cigarette use for sexual minority students, but not for heterosexual students. Despite this notable difference, the model was found to be invariant across the two groups. These findings suggest that students who report sexual violence may experience suicidality and victimization may lead to smoking behaviors and e-cigarette use. Students' mental health and substance use behaviors should continue to be targeted in schools, particularly among sexual minority youths.

Examining Profiles of Latinx Sexual Minority Adolescents Associated with Suicide Risk

Few studies have focused on within-group heterogeneity about specific factors that make lesbian, gay, or bisexual (LGB) Latinx adolescents at greater odds than other LGB adolescents for suicide We take a unique mixture-modeling approach by creating profiles of Latinx LGB adolescents based on suicide risk factors used in previous investigations (bullying, alcohol, sleep, social media, and poor grades). We use these profiles in a logistic regression to investigate suicidality A sample of 686 LGB, Latinx adolescents were used in a latent profile analysis yielding four distinct profiles. Class 4 represented the highest risk, with high rates of bullying, alcohol, poor grades, and use of electronics, while class 3 represented the lowest risk with low rates of bullying and alcohol Results speak to the need to address suicidal ideation through multiple factors, noting the strong association that both bullying and alcohol have with suicidal ideation.

Associations between tobacco use patterns and demographic characteristics of sexual minority and heterosexual youth: Results from a nationwide online survey

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.

Sexual minority tobacco use disparities across adolescence and the transition to young adulthood

INTRODUCTION

Sexual minority (SM; e.g., lesbian, gay, bisexual) youth are disproportionately more likely to use tobacco than non-SM youth, yet there exist several critical gaps in knowledge. This study assessed (a) the timing of SM tobacco use disparities (e.g., during adolescence or early adulthood), (b) whether disparities generalize across different tobacco products, and (c) whether disparities differ by sex.

METHODS

Data were from a 6-year prospective cohort of diverse high school students from Southern California who were followed into early adulthood (9 waves, 2013-2019). SM (vs. non-SM) differences in past 6-month use were assessed for: any tobacco products, cigarettes, e-cigarettes, other products (e.g., hookah), and multiple products. Disparities were modeled longitudinally across adolescence (high school) and the transition to early adulthood (end of high school to post-high school). Differences were tested by sex.

RESULTS

Among females, SM disparities were evident for all outcomes during both adolescence and early adulthood; no differences were observed among males. For example, SM (vs. non-SM) females had higher odds of cigarette (aOR = 4.4 [3.0-6.5]) and e-cigarette (aOR = 1.7 [1.2-2.4]) use, averaged across adolescence. The timing of disparities varied by product. For example, cigarette use disparities emerged prior to high school and persisted through adolescence and young adulthood, while e-cigarette use disparities were present in early adolescence and young adulthood only.

CONCLUSIONS

Young SM females are at especially high risk for tobacco use, across various tobacco products, throughout adolescence and young adulthood. Interventions must consider differences in the timing of disparities by product type.

Disparities in the prevalence of cigarette smoking among bisexual people: a systematic review, meta-analysis and meta-regression

OBJECTIVE

To review the bisexual-specific prevalence and likelihood of cigarette smoking relative to lesbian/gay and heterosexual individuals.

DATA SOURCES

We searched MEDLINE, PsycInfo, CINAHL, Scopus and LGBT Life databases (from 1995 to September 2019) for studies reporting cigarette smoking among bisexuals versus their comparators.

STUDY SELECTION

Observational, quantitative, peer-reviewed studies providing estimates for lifetime, past 30 days or current cigarette smoking among bisexuals and any of the two comparators were selected.

DATA EXTRACTION

Data on sexual orientation groups, cigarette smoking, sample type and mechanism, data collection mode, country and median year, as well as gender and age groups were extracted.

DATA SYNTHESIS

Random-effects meta-analysis was used to estimate the pooled OR (95% CIs) of cigarette smoking. Meta-regression was used to examine the difference in the prevalence of cigarette smoking by study and sample characteristics. Of 4663 unduplicated records, 47 unique studies were included (14, 23 and 22 studies on lifetime, past 30 days and current cigarette smoking, respectively). Compared with lesbians/gays and heterosexuals, bisexuals were 1.25 (1.15 to 1.37) and 2.18 (1.84 to 2.59) times more likely to report lifetime smoking, 1.17 (1.08 to 1.27) and 2.49 (2.20 to 2.83) times more likely to report past 30 days smoking and 1.19 (1.00 to 1.43) and 2.26 (1.97 to 2.59) times more likely to report current smoking. Gender was a significant covariate in the meta-regression models.

CONCLUSIONS

Cigarette smoking was more prevalent among bisexuals than lesbians/gays and heterosexuals, with the estimates showing a greater magnitude among bisexual women relative to all other sexual orientation/gender subgroups.

Cancer screening utilization by residence and sexual orientation

PURPOSE

Although few studies have examined screening uptake among sexual minorities (lesbian, gay, bisexual, queer), almost none have examined it in the specific context of rural populations. Therefore, our objective was to assess how cancer screening utilization varies by residence and sexual orientation.

METHODS

Publicly available population-level data from the 2014 and 2016 Behavioral Risk Factor Surveillance System were utilized. Study outcomes included recommended recent receipt of breast, cervical, and colorectal cancer screening. Independent variables of interest were residence (rural/urban) and sexual orientation (heterosexual/gay or lesbian/bisexual). Weighted proportions and multivariable logistic regressions were used to assess the association between the independent variables and the outcomes, adjusting for demographic, socioeconomic, and healthcare utilization factors.

RESULTS

Rates for all three cancer screenings were lowest in rural areas and among sexual minority populations (cervical: rural lesbians at 64.8% vs. urban heterosexual at 84.6%; breast: rural lesbians at 66.8% vs. urban heterosexual at 80.0%; colorectal for males: rural bisexuals at 52.4% vs. urban bisexuals at 81.3%; and colorectal for females: rural heterosexuals at 67.2% vs. rural lesbians at 74.4%). In the multivariate analyses for colorectal screening, compared to urban heterosexual males, both rural gay and rural heterosexual males were less likely to receive screening (aOR = 0.45; 95% = 0.24-0.73 and aOR = 0.79; 95% = 0.72-0.87, respectively) as were rural heterosexual females (aOR = 0.87; 95% = 0.80-0.94) compared to urban heterosexual females. For cervical screening, lesbians were less likely to receive screening (aOR = 0.62; 95% = 0.41-0.94) than heterosexuals, and there were no differences for breast screening.

CONCLUSION

We found that rural sexual minorities may experience disparities in cancer screening utilization associated with the compounding barriers of rural residence and sexual minority status, after adjusting for demographic, socioeconomic, and healthcare utilization factors. Further work is needed to identify factors influencing these disparities and how they might be addressed.

Hierarchical and Mediation Analysis of Disparities in Very Short Sleep among Sexual Minority Youth in the U.S., 2015

BACKGROUND

Insufficient sleep is associated with increased risk of chronic diseases, substance use, and unintentional injuries. Little is known about the disparities in short sleep among sexual minority youth.

METHODS

A nationally representative sample of U.S. students in grades 9-12 (n = 14,703) from the 2015 Youth Risk Behavior Survey was analyzed to examine the prevalence and risk factors of short sleep. Self-reported sleep duration (very short: ≤5 h, short: 6-7 h, normal: ≥8 h per day) were compared by sex group (male vs. female) and sexual orientation (heterosexual, gay, lesbian, bisexual, and unsure).

RESULTS

Of all respondents, 88.8% were heterosexual/straight, 2.0% were lesbian or gay, 6.0% were bisexual, and 3.2% were unsure about their sexual identity. Bisexual and unsure girls (36.2%, 95% CI [31.3-41.0] and 33.7%, CI [25.6-41.8], respectively) had a higher prevalence of very short sleep duration than straight girls (19.8%, CI [18.3-21.4]). Gay and unsure boys (38.5%, CI [25.6-51.5] and 33.3%, CI [23.5-32.1], respectively) had a higher prevalence of very short sleep duration than straight boys (16.5%, CI [15.1-17.9]). The effects of sexual minority status on very short sleep duration attenuated when incrementally adjusting for influencing factors, and further analysis identified that feeling sad/hopeless had the largest standardized mediation effect.

CONCLUSIONS AND RELEVANCE

Sexual minority adolescents had a higher prevalence of reporting very short sleep duration as compared to their straight peers, and the effects were mediated by influencing variables including demographic factors, substance use, excessive media use, and experiences of victimization/mental health problems.

Associations between Appalachian youth tobacco consumption and communication channel use

INTRODUCTION

Youth tobacco use rates in Appalachia exceed the US national average, and e-cigarette use has increased. Thus, further research is needed to understand how these youth receive and share product information.

METHODS

Middle and high school students in rural Appalachia were surveyed (N=1103). The primary outcome, tobacco use, was categorized as: never users, cigarette-only users, smokeless-only users, e-cigarette-only users, and polytobacco users. Associations between receiving or sharing conventional tobacco-related or e-cigarette-related information via specific communication channels and tobacco use were assessed.

RESULTS

Participants who received tobacco information from friends and family (FF) (OR=1.87; 95% CI: 1.35–2.57), public displays (PUB) (OR=1.49; 95% CI: 1.09–2.05), and digital media (DIG) (OR=1.95; 95% CI: 1.41–2.70) and e-cigarette information via the same communication channels, FF (OR=2.65; 95% CI: 1.93–3.65), PUB (OR=1.62; 95% CI: 1.17–2.26), and DIG (OR=2.24; 95% CI: 1.61–3.12), had greater odds of being polytobacco users, compared to never users. Participants who received e-cigarette-related information from FF (OR=2.42; 95% CI: 1.42–4.13) and PUB (OR=2.13; 95% CI: 1.25–3.65) had greater odds of being e-cigarette-only users compared to never users. Participants who shared e-cigarette-related information with FF had greater odds of being e-cigarette-only users (OR=3.16; 95% CI: 1.80–5.58) and polytobacco users (OR=4.48; 95% CI: 3.16–6.35) compared to never users.

CONCLUSIONS

Receiving and sharing tobacco-related and e-cigarette-related information via multiple communication channels is associated with e-cigarette and polytobacco use among Appalachian youth. Several channels may need to be utilized in health campaigns to influence youth.

Family Rejection and Cigarette Smoking Among Sexual and Gender Minority Adolescents in the USA

BACKGROUND

Sexual and gender minority (SGM) adolescents are more likely than their heterosexual and cisgender peers to smoke cigarettes. Family rejection has been associated with adverse health outcomes; however, few studies have examined whether SGM-specific family rejection is associated with cigarette smoking among SGM adolescents.

METHOD

A non-probability sample of 11,005 SGM adolescents (M = 15.58, SD = 1.27) completed an online cross-sectional survey. Bivariate and multivariable analyses were conducted to examine associations between SGM-specific family rejection, sociodemographic variables, and smoking.

RESULTS

Approximately 7% of the sample currently smoked cigarettes. Pansexual, asexual, trans boys, and non-binary assigned female at birth adolescents had the highest SGM family rejection scores. In multivariable regression analyses, SGM-specific family rejection was independently associated with smoking after adjusting for covariates (AOR = 1.15, 95% CI 1.04, 1.28). Family support (AOR = 0.80, 95% CI 0.73, 0.88) and experiencing violence (AOR = 1.64, 95% CI 1.49, 1.82) were also associated with smoking in multivariable models. Adolescents who identified as bisexual versus gay/lesbian (AOR = 1.50, 95% CI 1.21, 1.85) and trans boys versus cisgender girls (AOR = 2.05, 95% CI 1.13, 3.71) had an increased odds of smoking. Those who disclosed their sexual orientation identity to most (AOR = 1.95, 95% CI 1.45, 2.63) and all (AOR = 1.60, 95% CI 1.21, 2.11) of their family/parents had increased odds of smoking.

CONCLUSION

Our findings underscore the importance of attending to the role of SGM-specific family rejection and distinctions with SGM adolescents in tobacco prevention and smoking cessation efforts.

Up in Smoke: Exploring the Relationship between Bullying Victimization and E-Cigarette Use in Sexual Minority Youths

E-cigarette use is increasing in popularity for high school students (Singh et al., 2016) and may be accompanied by negative health outcomes (Rankin et al., 2019). Students who identify as sexual minority (lesbian, gay, bisexual, or queer/questioning) may be at an increased risk of bullying victimization and substance use due to their sexual identity (Caputi, 2018). Purpose/Objectives: This study explored the relationship between bullying in school and cyberbullying (i.e. bullying through social media) victimization with past 30-day e-cigarette use for sexual minority youths, an at-risk group for victimization and its negative consequences. Methods: The Youth Risk Behavioral Survey was utilized to study a sample of sexual minority high school students (N = 2302; 69.4% female). Three models were utilized to examine whether bullying in school or cyberbullying victimization were related to e-cigarette use after controlling only for demographics in the demographics model, and then the use of other substances in the substance use model. Cigarette use was combined with e-cigarettes as the dependent variable in the third comparative model. Results: After controlling for age, race, sex, sexual identity, and other substance use, bullying victimization in school and online were significantly related to current e-cigarette use together but not separately. Cyberbullying victimization was significantly related to combined cigarette and e-cigarette use. Conclusions/Importance: These findings suggest that sexual minority students who report cyberbullying victimization may use cigarette products more than their noncyberbullied peers. Cyberbullying prevention and interventions should continue to be targeted in schools, especially for sexual minority youths.

Cigarette smoking, e-cigarette use, and sexual identity among high school students in the USA

Although tobacco use has decreased in the general population in recent years, smoking remains high among subpopulations. This study examined whether sexual identity is associated with cigarette smoking and e-cigarette use among high school students. Data were drawn from the US Youth Risk Behavior Surveillance System (n = 28811). We grouped participants according to sexual identity status. Propensity score matching technique was used to address covariate imbalance among sexual identity groups. Subgroup analyses were performed for male and female students. Of the four sexual identity groups analyzed in this study, bisexual adolescents had significantly higher odds of cigarette smoking (cigarette smoking, OR, 1.61; 95% CI, 1.24-2.08; cigarette smoking for ≥ 10 days, OR, 1.79; 95% CI, 1.28-2.51; cigarette smoking for ≥ 20 days, OR, 2.04; 95% CI, 1.38-3.03). Further, in a sex-based subgroup analysis, results showed significant differences, with bisexual females more likely to smoke cigarettes and use e-cigarettes for ≥ 20 days compared with heterosexual female adolescents.Conclusions: Sexual identity status is strongly associated with cigarette smoking and e-cigarette use. Female bisexual adolescents have an increased risk of cigarette smoking and e-cigarette use for ≥ 20 days. While tobacco control policies have been effective in reducing cigarette use in the general population, targeting policy toward sexual minorities is an important consideration. What is Known: • Sexual minority groups face a disproportionate amount of stress and have a heightened risk of substance use. • Methodological concerns exist in the extant literature, including limited data at the national level. What is New: • Propensity score matching was used to account for imbalances in sexual identity subgroups, and findings show significant heterogeneity in cigarette and e-cigarette use among sexual minority high school students. • Sexual identity status is strongly associated with cigarette smoking and e-cigarette use, especially among bisexual identity female subgroup.

Substance Use Among Lesbian, Gay, Bisexual, and Questioning Adolescents in the United States, 2015

OBJECTIVES

To provide current national estimates of lesbian, gay, bisexual, and questioning (LGBQ) adolescents' (grades 9-12) substance use risks.

METHODS

The 2015 national Youth Risk Behavior Survey included questions for 19 substance use outcomes covering 15 substances. LGBQ adolescents' substance use was described and their risk relative to heterosexual adolescents was estimated after controlling for sociodemographic confounders.

RESULTS

In controlled analyses, we found that LGBQ adolescents were 1.12 (95% confidence interval [CI] = 1.06, 1.19) times as likely as heterosexual adolescents to report any lifetime and 1.27 (95% CI = 1.14, 1.41) times as likely to report past 30-day substance use. LGBQ adolescents were at significantly greater risk for all but 1 studied substance, including alcohol, cigarettes, cigars, cocaine, ecstasy, electronic vapor usage ("vaping"), hallucinogens, heroin, inhalants, marijuana, methamphetamine, prescription drugs (without physician direction), steroids, and synthetic marijuana.

CONCLUSIONS

LGBQ adolescents are at substantially greater risk for substance use. Public Health Implications. Policymakers should invest in prevention and early intervention resources to address substance use risks among LGBQ adolescents.

Romantic Attraction and Substance Use in 15-Year-Old Adolescents from Eight European Countries

Sexual minority youth are at higher risk of substance use than heterosexual youth. However, most evidence in this area is from North America, and it is unclear whether the findings can be generalized to other cultures and countries. In this investigation, we used data from the 2014 Health Behaviour in School-aged Children (HBSC) study to compare substance use in same- and both-gender attracted 15-year-old adolescents from eight European countries (n = 14,545) to that of their peers who reported opposite-gender attraction or have not been romantically attracted to anyone. Both-gender attracted, and to a lesser extent, same-gender attracted adolescents were significantly more likely to smoke cigarettes, consume alcohol, get drunk and use cannabis, or be involved in multiple substance use in the last 30 days compared to their opposite-gender attracted peers. Those adolescents who have not been in love had significantly lower odds for substance use than all other youth. The pattern of results remained the same after adjusting for country, gender and family affluence. These findings are compatible with the minority stress and romantic stress theories. They suggest that sexual minority stigma (and love on its own) may contribute to higher substance use among adolescents in European countries.

Sexual and Gender Minority U.S. Youth Tobacco Use: Population Assessment of Tobacco and Health (PATH) Study Wave 3, 2015-2016

INTRODUCTION

Tobacco use disparities by sexual identity are well characterized among adults, but relatively less is known about tobacco use disparities in sexual minority youth. Moreover, no national study has reported tobacco use behaviors among gender minority (e.g., transgender) youth.

METHODS

Data from Wave 3 (2015-2016) of the Population Assessment of Health Study from youth aged 14-17 years (n=7,772), analyzed in 2018, were stratified by transgender identity, sex, and sexual identity to describe tobacco product use.

RESULTS

Transgender youth (n=79) were more likely to report ever use of tobacco products compared with nontransgender youth (electronic nicotine products, 40.2% vs 23.0%; cigarettes, 33.9% vs 14.1%; and smokeless tobacco, 21.5% vs 6.0%, respectively) and more likely to report past 30-day use of these products. Similarly, female sexual minority youth, compared with straight female youth, were more likely to report ever use of electronic nicotine products (37.9% vs 20.1%); cigarettes (28.9% vs 12.0%); cigars (11.3% vs 5.2%); hookah (12.7% vs 7.6%); and past 30-day use of electronic nicotine products, cigarettes, and cigars. Among male youth, sexual minority youth were more likely to report ever use of cigarettes compared with straight youth (25.1% vs 13.5%), but they did not differ in ever or past 30-day use of any other tobacco products.

CONCLUSIONS

Sexual minority youth and transgender youth are more likely to use tobacco products compared with their nonminority peers. Similar to patterns among adults, this is especially true for female sexual minority youth. This information is useful for developing communication and education efforts to prevent youth tobacco initiation in these high-risk groups.

Tobacco use in the sexual borderlands: The smoking contexts and practices of bisexual young adults

Little is known about why bisexual people use tobacco at higher rates than any other sexual identity group. Non-binary sexualities, such as bisexuality, exist within the socially constructed borderland between homosexuality and heterosexuality. Exploration of the everyday smoking contexts and practices of bisexual individuals may reveal unique mechanisms driving tobacco use. We employed a novel mixed method, integrating real-time, smartphone-administered surveys of (non)smoking situations, location tracking, spatial visualization of participant data, and subsequent map-led interviews. Participants (n = 17; ages 18-26, California) identified as bisexual, pansexual, and/or queer. Most were cisgender women. Survey smoking patterns and situational predictors were similar to other young adults'. However, interviews revealed unique roles of tobacco use in participants' navigation of differently sexualized spaces in everyday life: 1) stepping away from uncomfortable situations related to bisexual identity; 2) facilitating belonging to LGBTQ+ community; and 3) recovering from bisexual identity perception management. Similar studies can examine the place-embedded practices and spatio-temporal patterns of other substance use and other stigmatized identity experiences.

Racial/Ethnic Differences in Mental Health, Substance Use, and Bullying Victimization Among Self-Identified Bisexual High School-Aged Youth

Purpose: Sexual minority youth are at increased risk for mental health problems and substance use, and accumulating evidence indicates that bisexual youth are at greatest risk. However, bisexual youth are not a homogenous group and scholars have called for greater attention to the intersections of multiple marginalized identities. As such, we examined racial/ethnic differences in mental health (sadness/hopelessness and suicidal ideation), substance use (cigarette use, binge drinking, marijuana use, and other illicit drug use), and bullying (in-person and electronic) among self-identified bisexual high school-aged youth (overall and by sex). Method: Data from the local versions of the Youth Risk Behavior Survey were pooled across jurisdictions and years (2011-2015), resulting in an analytic sample of 18,515 bisexual youth who were racially/ethnically diverse. Results: Black and Hispanic bisexual youth were less likely to report in-person and electronic bullying than White bisexual youth. In addition, Black bisexual youth were less likely to report sadness/hopelessness and suicidal ideation than White, Hispanic, and Other race/ethnicity bisexual youth. Black bisexual female youth were also less likely to report cigarette use, binge drinking, and other illicit drug use than White bisexual female youth. In contrast to most of our findings, Black bisexual youth were more likely to report marijuana use than White bisexual youth. Most of the significant racial/ethnic differences in mental health and substance use remained significant after controlling for bullying. Conclusion: These findings highlight the heterogeneity of bisexual youth and the need to consider multiple marginalized identities to understand the health disparities affecting this diverse population.

Sleep Deprivation and Chronic Health Conditions Among Sexual Minority Adults

OBJECTIVES

To examine associations between sleep duration and health outcomes among distinct groups of sexual minority adults.

METHODS

Using data from the 2014 Behavioral Risk Factor Surveillance System, we compared sleep duration (very short: ≤ 5 hr; short: 6 hr; normal: 7-8 hr; and long: ≥ 9 hr per day) between cisgender straight adults and distinct groups of sexual minorities. We further examined associations between sleep duration and 10 chronic health conditions among sexual minorities.

RESULTS

Of 146,893 respondents, 142,507 (96.2%) were cisgender straight, and 4,386 (3.8%) were lesbian, gay, bisexual, transgender (LGBT). Overall, 17.3% of LGBT respondents reported very short sleep per day, compared with 12.2% for cisgender straight respondents (p < 0.0001). Among LGBT populations, the prevalence of very short sleep varied significantly among distinct groups, ranging from 13.2% among transgender female to male adults to 35.5% among transgender gender nonconforming adults. Very short sleep was further associated with increased odds of having stroke (aOR = 4.1, 95% CI [2.2-7.6]), heart attack (aOR = 3.0, CI [1.6-5.8]), coronary heart disease (aOR = 3.1, 95% CI [1.5-6.2]), asthma (aOR = 1.7, 95% CI [1.1-2.4]), chronic obstructive pulmonary disease (aOR = 2.5, CI [1.5-4.0]), arthritis (aOR = 2.1, CI [1.4-3.0]), and cancer (aOR = 1.8, 95% CI [1.0-3.2]) among sexual minorities. Disparities in the prevalence of stroke, heart attack, coronary health disease, COPD, diabetes, obesity, arthritis, and cancer were found among LGBT populations.

CONCLUSIONS

Sexual minorities have a higher prevalence of sleep deprivation as compared with their straight counterparts. Sleep deprivation varies by sexual identity and gender. Very short sleep duration is associated with some chronic health conditions among LGBT populations. Promotion of sleep health education and routine medical assessment of sleep disorders are critically needed for sexual minority adults.

The social patterning of electronic nicotine delivery system use among US adults

There is little research examining the social patterning of electronic nicotine delivery system (ENDS) use. This study investigated the association between socioeconomic status (SES) (education, income, and employment status) and current and former ENDS use. Data were collected from 2561 participants from the American Heart Association Tobacco Regulatory and Addiction Center (A-TRAC) online survey. Participants were 18-64 years old and reported demographic, SES, and ENDS use. Poisson regression was used to estimate prevalence ratios (PR 95% confidence interval-CI) of participants' current and former (vs. never) ENDS use. Models were adjusted for age, sex, sexual orientation, race/ethnicity, marital status, and reasons for ENDS use. In the unadjusted analysis, ENDS use was primarily patterned by education and employment status. College educated persons (vs. those with less than a high school diploma) had a 37% greater prevalence of current ENDS use (PR 1.37, 95% CI 1.20-1.55), and a 16% greater prevalence of former ENDS use (PR 1.16, 95% CI 1.06-1.28) in the fully-adjusted model. Persons with household incomes above $90 K (vs. less than $20,000) had a greater prevalence of current (PR 1.30, 95% CI 1.19-1.41) and former (PR 1.17, 95% CI 1.05-1.30) ENDS use. Those who were employed (vs. not employed) had a 13% greater prevalence of current ENDS use (PR 1.13, 95% CI 1.07-1.19) after full adjustment. Higher SES (vs. lower SES) persons were more likely to use ENDS.

Missed Opportunities for Detecting Alternative Nicotine Product Use in Youth: Data From the National Dental Practice-Based Research Network

PURPOSE

With growing rates of youth e-cigarette and hookah use, and the fact that use of these products is difficult to detect, surveillance and early detection efforts need to be reassessed. Physicians and pediatricians both report that their level of knowledge about these products is low. Given that over 80% of youth have had dental visits in the past year and that the effects of nicotine use are visible early in routine dental examinations, it is likely that dental professionals are well positioned to play a critical role in detection. Currently, the knowledge about alternative nicotine among practicing dental clinicians is unknown.

METHODS

One thousand seven hundred and twenty-two dental professionals in community practice in the United States National Dental Practice-Based Research Network responded to a survey in the summer/fall of 2016. These data were supplemented with network membership enrollment data, and the American Community Survey, and were analyzed using descriptive statistics, measures of association, and logistic regression.

RESULTS

Only 25%-36% of dental professionals feel knowledgeable about the most common types of alternative nicotine products, including e-cigarettes and hookahs. Thirty-eight percent of respondents reported not screening at all for e-cigarettes.

CONCLUSIONS

A substantial percentage of dental professionals do not have a working understanding of alternative nicotine products, nor are aware of their patients' use rates. Better access to information and training on alternative nicotine products could provide an opportunity to improve surveillance for early use of these products in youth populations.

Biological origins of sexual orientation and gender identity: Impact on health

Gynecologic Oncologists are sometimes consulted to care for patients who present with diverse gender identities or sexual orientations. Clinicians can create more helpful relationships with their patients if they understand the etiologies of these diverse expressions of sexual humanity. Multidisciplinary evidence reveals that a sexually dimorphic spectrum of somatic and neurologic anatomy, traits and abilities, including sexual orientation and gender identity, are conferred together during the first half of pregnancy due to genetics, epigenetics and the diversity of timing and function of sex chromosomes, sex-determining protein secretion, gonadal hormone secretion, receptor levels, adrenal function, maternally ingested dietary hormones, fetal health, and many other factors. Multiple layers of evidence confirm that sexual orientation and gender identity are as biological, innate and immutable as the other traits conferred during that critical time in gestation. Negative social responses to diverse orientations or gender identities have caused marginalization of these individuals with resultant alienation from medical care, reduced self-care and reduced access to medical care. The increased risks for many diseases, including gynecologic cancers are reviewed. Gynecologic Oncologists can potentially create more effective healthcare relationships with their patients if they have this information.

The Effects of Gender- and Sexuality-Based Harassment on Lesbian, Gay, Bisexual, and Transgender Substance Use Disparities

PURPOSE

We tested three competing models about whether gender- and sexuality-based harassment at school have nonindependent, additive, or interactive effects on adolescents' electronic cigarette use (i.e., vaping), cigarette smoking, alcohol use, and heavy episodic drinking (HED). We also tested whether harassment mediated substance use disparities between lesbian, gay, bisexual, transgender (LGBT) adolescents and their cisgender heterosexual peers.

METHODS

We analyzed cross-sectional data from the 2013-2014 California Healthy Kids Survey, including 316,766 students in grades 7, 9, and 11 from more than 1,500 middle and high schools. We used logistic regression models and interaction terms to estimate associations of past-year gender- and sexuality-based harassment at school on past-month substance use, and the Karlson-Holm-Breen method to test whether harassment mediated LGBT disparities in substance use.

RESULTS

Vaping, smoking, drinking, HED, and gender- and sexuality-based harassment were higher for transgender adolescents than for cisgender males and females, and for adolescents who were lesbian, gay, or bisexual only versus heterosexual only. Gender- and sexuality-based harassments were independently associated with greater odds of using each substance in every grade. These two types of harassment had positive interactions with each other for vaping in grade 11, smoking in grade 11, and HED in grades 9 and 11. Gender- and sexuality-based harassment significantly mediated many of the LGBT disparities in substance use.

CONCLUSIONS

Gender- and sexuality-based harassment at school independently or interactively produced LGBT disparities in substance use. Reducing these types of discrimination in schools will likely mitigate these disparities.