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The strength of American Indian and Alaska Native (AI/AN) communities comes from generations of Indigenous traditions, language, culture, and knowledge. These strengths have been challenged by a complex set of systemic, structural, and social factors related to historical and intergenerational trauma that affects the health of AI/AN communities. Furthermore, AI/AN population health data often are inaccurate because of analytic coding practices that do not account for multiracial and ethnic AI/AN identification and inadequate because of statistical suppression. The 2023 national Youth Risk Behavior Survey included a supplemental sample of AI/AN high school students. Coding of race and ethnicity was inclusive of all AI/AN students, even if they also identified as another race or as Hispanic or Latino, providing comprehensive data on health behaviors and experiences among AI/AN high school students nationwide. Adult caretaker engagement and school connectedness and their association with 13 health behaviors and experiences were examined, including five types of current substance use, four indicators of emotional well-being and suicide risk, and four types of violence. Pairwise t-tests and adjusted prevalence ratios from logistic regression models identified significant associations between exposure and outcome variables. Among AI/AN students, having an adult who always tried to meet their basic needs, high parental monitoring, and high school connectedness were associated with lower prevalence of certain measures of substance use, poor emotional well-being and suicide risk, and violence. Compared with non-AI/AN students, the prevalence of current electronic vapor product use, current marijuana use, attempted suicide, and experience of sexual violence was higher among AI/AN students.This report presents the most comprehensive, up-to-date data on substance use, indicators of emotional well-being and suicide risk, and experiences with violence among AI/AN high school students nationwide. The findings suggest the importance of engaged household adults and school connectedness in promoting emotional well-being and preventing substance use, suicide-related behavior, and experiences of violence among AI/AN students. Understanding the historical context and incorporating Indigenous knowledge when developing interventions focused on AI/AN youths are critical to ensure such interventions are successful in improving AI/AN health and well-being., Competing Interests: All authors have completed and submitted the International Committee of Medical Journal Editors form for disclosure of potential conflicts of interest. Jonetta Mpofu reported being a board member of the American School Health Association. Lindsay Trujillo reported receiving a grant from Social & Scientific Systems, Inc. No other potential conflicts of interest were disclosed.

Social media has become a pervasive presence in everyday life, including among youths. In 2023, for the first time, CDC's nationally representative Youth Risk Behavior Survey included an item assessing U.S. high school students' frequency of social media use. Data from this survey were used to estimate the prevalence of frequent social media use (i.e., used social media at least several times a day) among high school students and associations between frequent social media use and experiences with bullying victimization, persistent feelings of sadness or hopelessness, and suicide risk. All prevalence estimates and measures of association used Taylor series linearization. Prevalence ratios were calculated using logistic regression with predicted marginals. Overall, 77.0% of students reported frequent social media use, with observed differences by sex, sexual identity, and racial and ethnic identity. Frequent social media use was associated with a higher prevalence of bullying victimization at school and electronically, persistent feelings of sadness or hopelessness, and some suicide risk among students (considering attempting suicide and having made a suicide plan), both overall and in stratified models. This analysis characterizes the potential harms of frequent social media use for adolescent health among a nationally representative sample of U.S. high school students. Findings might support multisectoral efforts to create safer digital environments for youths, including decision-making about social media policies, practices, and protections., Competing Interests: All authors have completed and submitted the International Committee of Medical Journal Editors form for disclosure of potential conflicts of interest. No potential conflicts of interest were disclosed.

The Youth Risk Behavior Surveillance System (YRBSS) is a set of surveys that tracks a broad range of behaviors, experiences, and conditions that can lead to poor health among high school students. The system includes a nationally representative Youth Risk Behavior Survey (YRBS) and separate school-based YRBSs conducted by states, tribes, territories, and local school districts. For the 2023 national YRBS, CDC made changes to the sampling method, survey administration mode, and questionnaire. Specifically, the sampling design added an American Indian or Alaska Native (AI/AN) supplemental sample so that separate, precise estimates could be made for AI/AN high school students, in addition to the usual sample designed to provide nationally representative data for the population of students in grades 9-12. To decrease the time needed to collect and process data, CDC changed the survey administration mode from paper-and-pencil scannable booklets to a tablet-based electronic survey. To provide national data on topics of emerging interest, CDC added new questions to the questionnaire. These new questions assessed social media use, experiences of racism at school, adverse childhood experiences, transgender identity, consent for sexual contact, and unfair discipline at school. Public health practitioners and researchers can use YRBSS data to examine the prevalence of youth health behaviors, experiences, and conditions; monitor trends; and guide interventions. This overview report describes 2023 YRBSS survey methodology, including sampling, data collection, data processing, weighting, and data analyses. The 2023 YRBS participation map, survey response rates, and a detailed examination of student demographic characteristics are included in this report. During 2023, in addition to the national YRBS, 68 site-level surveys were administered to high school students in 39 states, three tribal governments, five territories, and 21 local school districts. These site-level surveys use site-specific questionnaires that are similar to the national YRBS questionnaire but are modified to meet sites' needs. This overview and methods report is one of 11 featured in this MMWR supplement, which reports results from the 2023 national YRBS but does not include data from the 68 site-level surveys. Each report is based on data collected using methods presented in this overview report. A full description of YRBSS results and downloadable data are available (https://www.cdc.gov/yrbs/index.html)., Competing Interests: All authors have completed and submitted the International Committee of Medical Journal Editors form for disclosure of potential conflicts of interest. Jonetta Mpofu reported being a board member of the American School Health Association. Lindsay Trujillo reported receiving a grant from Social & Scientific Systems, Inc. No other potential conflicts of interest were disclosed.

Background: Sexting is common among adolescents and is associated with numerous health risk behaviors and negative psychosocial constructs. This study examined the relationships between high school students' experiences with sexual violence victimization, dating violence victimization, and engagement in risky sexual behaviors with experiences of receiving sexts., Methods: Cross-sectional data from the 2014 to 2016 data from Pennsylvania Youth Risk Behavior. Participants were selected using an independent 2-stage cluster sample design to produce a statewide population-based sample. The pencil and paper surveys were conducted in school. Participants included 6734 Pennsylvania high school students in grades 9-12., Results: Overall, 29.0% of Pennsylvania high school students had received a sext, which varied by sex, race/ethnicity, school grade, and sexual identity. Students who engaged in sexual risk behaviors, experienced dating violence, or experienced lifetime sexual violence outside of the dating context had a significantly higher prevalence of receiving a sext than students who did not engage in those behaviors or have those experiences., Conclusions: Early screening and prevention efforts that include discussions about sexting behaviors may help prevent other negative outcomes, such as risky sexual behaviors and interpersonal violence. Addressing sexting in the education and health sectors may help to prevent other related harmful health and violence experiences during adolescence., (Published 2022. This article is a U.S. Government work and is in the public domain in the USA.)

Background: Little is known about the effectiveness of school district concussion policies on reducing the concussion prevalence among students., Methods: Data from the 2016 School Health Policies and Practices Study and 2017 Youth Risk Behavior Survey for 10 school districts were linked. The outcome variable was having a sports- or physical activity-related concussion during the 12 months before of the survey. Exposure variables were 2 district policies, including district-funded professional development and prioritizing return to the classroom before returning to athletics. Logistic regression models estimated the odds of a concussion among students in districts with one, both, or neither policy (referent)., Results: In districts with district-funded professional development, the odds of students self-reporting ≥2 sports- or physical activity-related concussions were 1.4 times higher than in districts with neither policy. In districts with a policy prioritizing a return to the classroom before returning to athletics, the odds of students self-reporting ≥2 concussions were significantly lower (OR = 0.6) than in districts with neither policy., Conclusion: School district concussion policies may have positive effects by identifying and reducing multiple concussions among students., (Published 2021. This article is a U.S. Government work and is in the public domain in the USA.)

Purpose: This study examined associations between student sexual behaviors and both school-level socioeconomic status and metropolitan status., Methods: National Youth Risk Behavior Survey data from 2017 (N = 14,765, response rate = 60%) and 2019 (N = 13,677, 60%) were combined. School-level socioeconomic status (low-, mid-, and high-poverty based on the percentage of students eligible for free or reduced-price meals) and metropolitan status (urban, suburban/town, or rural) were identified for students attending public high schools. Sexual behaviors included currently sexually active, four or more lifetime sexual partners, condom use during the last sexual intercourse, hormonal birth control use during the last sexual intercourse, condom and hormonal birth control use during the last sexual intercourse, and drank alcohol or used drugs before the last sexual intercourse. Adjusted prevalence ratios were calculated using logistic regression models, controlling for sex, race/ethnicity, and grade., Results: Compared to students attending low-poverty schools, high-poverty school students were significantly more likely to be currently sexually active (adjusted prevalence ratio = 1.4 [95% confidence interval = 1.1-1.8]) and have four or more lifetime sexual partners (1.6 [1.0-2.5]), but were significantly less likely to have drank alcohol or used drugs before the last sexual intercourse (.7 [.5-.9]) and have used hormonal birth control during the last sexual intercourse (.7 [.6-1.0]). Compared to students attending rural schools, urban school students were significantly less likely to be currently sexually active (.8 [.7-.9]) and have four or more lifetime sexual partners (.7 [.5-.9])., Conclusions: School-level socioeconomic status and metropolitan status were associated with differential risk in sexual behaviors., (Copyright © 2021. Published by Elsevier Inc.)

Tobacco product use is the leading cause of preventable disease, disability, and death in the United States. This report used data from the 2019 Youth Risk Behavior Survey to assess the following among U.S. high school students: ever use of cigarettes and electronic vapor products, current use (≥1 day during the 30 days before the survey) of tobacco products, frequent use (≥20 days during the 30 days before the survey) among current users of tobacco products, trends in use over time, and usual source of electronic vapor products among current electronic vapor product users. In 2019, a total of 50.1% of U.S. high school students had ever used electronic vapor products, and 24.1% had ever tried cigarette smoking. Current electronic vapor product use was 32.7%, current cigarette smoking was 6.0%, current cigar smoking was 5.7%, and current smokeless tobacco use was 3.8%. Approximately 36.5% of students were current users of any tobacco product, and 8.2% were current users of two or more tobacco products. Frequent use among users of individual products was 32.6% for electronic vapor products, 28.5% for smokeless tobacco, 22.2% for cigarettes, and 18.4% for cigars. Among current electronic vapor product users who were aged ≤17 years, the most commonly reported source was borrowing them from someone else (42.8%). Significant decreases occurred in current cigarette smoking (1991: 27.5%; 2019: 6.0%), cigar smoking (1997: 22.0%; 2019: 5.7%), and smokeless tobacco use (2017: 5.5%; 2019: 3.8%). However, significant increases occurred in current electronic vapor product use (2015: 24.1%; 2019: 32.7%) and any tobacco product use (2017: 19.5%; 2019: 36.5%). Although current cigarette smoking, cigar smoking, and smokeless tobacco use has decreased among high school students, the increased prevalence of electronic vapor product use among youths is concerning. Continued surveillance for all tobacco product use is warranted for guiding and evaluating public health policy at the local, state, tribal, and national levels., Competing Interests: All authors have completed and submitted the International Committee of Medical Journal Editors form for disclosure of potential conflicts of interest. No potential conflicts of interest were disclosed.

Aim: Asthma has symptoms that can be exacerbated by using combustible products such as tobacco and marijuana. This study assessed the prevalence and trends in current use of cigarettes, cigars, and marijuana among U.S. high school students with and without asthma. Methods: The national Youth Risk Behavior Survey (YRBS) is a biennial, school-based, nationally representative survey of U.S. students in grades 9-12. Trends during 2003-2017 in current (past 30-day) use of cigarettes, cigars, and marijuana among students with and without asthma were examined using logistic regression. Asthma was defined as reporting that a doctor or nurse ever told the student they had asthma. T-tests were used to compare cigarette, cigar, and marijuana use by asthma status and year, frequency of use, and student characteristics. Results: During 2003-2017, both current cigarette and cigar smoking decreased (p < 0.05) with rates that were similar among students with and without asthma. There was no significant linear change in current marijuana use, irrespective of asthma status. During most years, cigarette, cigar, and marijuana use were more common among students with asthma than without. In 2017, the most frequent use of cigarettes, cigars, and marijuana was among those with asthma than without. Differences in cigarette, cigar, and marijuana use by asthma status were apparent by demographic subgroups. Conclusions: Given the adverse respiratory effects of tobacco and marijuana smoking, efforts to educate all youth about the dangers of using these substances is critical, particularly among those with asthma.

Ensuring safe, accessible drinking water in schools is a national health priority. The objective of this study was to identify whether there are differences in water quality, availability, and education- related practices in schools by demographic characteristics. In 2017-2018, we analyzed data from the 2014 School Health Policies and Practices Study (SHPPS), a nationally representative, cross-sectional survey of US schools. Analyses examined differences in water-related practices by school characteristics. Response rates for the 3 questionnaires used in this analysis ranged from 69%-94% (Ns ranged from 495 to 577). We found that less than half of schools flush drinking water outlets after periods of non-use (46.4%), conduct periodic inspections that test drinking water outlets for lead (45.8%), and require staff training on drinking water quality (25.6%). Most schools teach the importance of water consumption (81.1%) and offer free drinking water in the cafeteria (88.3%). Some water-related school practices differed by school demographic characteristics though no consistent patterns of associations by school characteristics emerged. In US schools, some water quality-related practices are limited, but water availability and education-related practices are more common. SHPPS data suggest many schools would benefit from support to implement best practices related to school-drinking water.

Background: Schools are particularly vulnerable to pests, but integrated pest management (IPM) can address pest problems. This study describes IPM policies and practices and the extent to which they are associated with school characteristics., Methods: We analyzed data from the 2014 School Health Policies and Practices Study, a nationally representative survey of schools in the United States (N = 568, response rate = 69%). Pairwise comparisons assessed differences in pest prevention strategies by school characteristics., Results: Nationwide, 55.3% of schools conducted campus-wide inspections for pests at least monthly; 35.6% of schools notified staff, students, and families prior to each application of pesticides; and 56.1% of schools required custodial or maintenance staff to receive training on pest management practices that limit the use of pesticides. During the 12 months before the study, 46.5% of schools almost always or always used spot treatments and baiting rather than widespread applications of pesticides, and 36.8% of schools almost always or always marked indoor and outdoor areas that had been treated with pesticides. No clear pattern emerged for school characteristics associated with IPM policies and practices., Conclusions: The variation in implementation of IPM-related policies and practices suggest opportunities for targeted education among school staff about IPM principles., (Published 2018. This article is a U.S. Government work and is in the public domain in the USA.)

Importance: Exposure to the sun's UV radiation is a leading cause of skin cancer. Positive attitudes and beliefs about sun safety behavior, which would make sun protective behavior more likely, could be promoted and supported by school policies and practices., Objective: To identify school characteristics associated with having adopted practices that promote sun safety., Design, Setting, and Participants: School-level data from the February 3 to July 23, 2014, School Health Policies and Practices Study's Healthy and Safe School Environment questionnaire were analyzed. The School Health Policies and Practices Study uses a 2-stage sampling design to select a nationally representative sample of schools. All public, state-administered, Catholic, and non-Catholic private schools with any of the grades from kindergarten through 12 were eligible for inclusion. All analyses were conducted using weighted data., Main Outcomes and Measures: Prevalence of sun safety practices., Results: In a nationally representative sample of 828 US schools, representatives of 577 schools (69.7%) responded. Overall, sun safety practices were not common among schools. The most frequent practice was having teachers allow time for students to apply sunscreen at school (47.6%; 95% CI, 42.4%-52.9%). Few schools made sunscreen available for students to use (13.3%; 95% CI, 10.2%-17.0%), almost always or always scheduled outdoor activities to avoid times when the sun was at peak intensity (15.0%; 95% CI, 11.4%-19.6%), or asked parents to ensure that students applied sunscreen before school (16.4%; 95% CI, 12.9%-20.6%). High schools were less likely than elementary schools and middle schools to adopt several practices: for instance, 37.5% of high schools (95% CI, 29.7%-46.0%), 51.6% of middle schools (95% CI, 43.3%-59.7%), and 49.5% of elementary schools (95% CI, 42.0%-57.0%) had teachers allow time for students to apply sunscreen at school, and 11.8% of high schools (95% CI, 7.7%-17.5%), 18.2% of middle schools (95% CI, 13.3%-24.4%), and 14.7% of elementary schools (95% CI, 9.6%-21.8%) almost always or always scheduled outdoor activities to avoid times when the sun was at peak intensity. Other school characteristics were either not significantly associated with the adoption of any of the sun safety school practices studied (eg, metropolitan status) or were inconsistently associated with such policies and practices (eg, region, percentage of students eligible for free or reduced-price lunch, and school enrollment)., Conclusions and Relevance: School practices that could protect children and adolescents from sun exposure and that could change norms about sun safety are not common. Interventions aimed at increasing the adoption of sun safety practices among schools are needed regardless of the level, location, size, and poverty concentration of the school. Such practices would cost little to implement and would support other messages targeted toward children, adolescents, adults, and parents, with an aim to reduce skin cancer morbidity and mortality.

Importance: Indoor tanning and sunburns, particularly during adolescence and young adulthood, increase the risk of developing skin cancer., Objective: To examine the trends in the prevalence of indoor tanning and the association between indoor tanning and sunburn among US high school students., Design, Setting, and Participants: This study pooled and examined cross-sectional data from the 2009, 2011, 2013, and 2015 national Youth Risk Behavior Survey. During 2009, 2011, 2013, and 2015, the overall response rates were 71%, 71%, 68%, and 60%, respectively, and unweighted sample sizes were 16 410, 15 425, 13 538, and 15 624, respectively. It included nationally representative samples of US high school students. Data were collected during the spring semester (January to June) in each survey cycle beginning February 9, 2009, through June 18, 2015., Main Outcomes and Measures: Prevalence of indoor tanning in the past year from 2009 to 2015 and its association with sunburn in 2015., Results: Among high school students in the United States, the prevalence of indoor tanning decreased from 15.6% (95% CI, 13.7%-17.6%) in 2009 to 7.3% (95% CI, 6.0%-8.9%) in 2015. Decreases in indoor tanning were found among male (from 6.7% in 2009 to 4.0% in 2015) and female (from 25.4 % in 2009 to 10.6 % in 2015) students overall, non-Hispanic white (from 21.1 % in 2009 to 9.4% in 2015) and Hispanic (from 8.2% in 2009 to 4.7% in 2015) students overall, and all age groups. Among non-Hispanic white female students, the prevalence decreased from 37.4% (95% CI, 33.6%-41.4%) in 2009 to 15.2% (95% CI, 11.7%-19.5%) in 2015. In 2015, indoor tanning was associated with sunburn in the adjusted model: 82.3% (95% CI, 77.9%-86.0%) of indoor tanners had at least 1 sunburn during the preceding year compared with 53.7% (95% CI, 48.9%-58.4%) of those who did not engage in indoor tanning (P < .001)., Conclusions and Relevance: Despite declines in the prevalence of indoor tanning from 2009 to 2015 among high school students nationwide, indoor tanning remains commonplace among certain subgroups, especially non-Hispanic white female students. Three-quarters of those who engaged in indoor tanning had experienced at least 1 sunburn. Efforts by the public health and medical communities are needed to further reduce the prevalence of indoor tanning and sunburn and thus prevent future cases of skin cancer.

Background: Adolescent use of tobacco in any form is unsafe; yet the use of electronic cigarettes and other electronic vapor products (EVPs) has increased in recent years among this age group. We assessed the prevalence and frequency of cigarette smoking and EVP use among high school students, and associations between health-risk behaviors and both cigarette smoking and EVP use., Methods: We used 2015 national Youth Risk Behavior Survey data (N = 15 624) to classify students into 4 mutually exclusive categories of smoking and EVP use based on 30-day use: nonuse, cigarette smoking only, EVP use only, and dual use. Prevalence of cigarette smoking and EVP use were assessed overall and by student demographics and frequency of use. Prevalence ratios were calculated to identify associations with health risk-behaviors., Results: In 2015, 73.5% of high school students did not smoke cigarettes or use EVPs, 3.2% smoked cigarettes only, 15.8% used EVPs only, and 7.5% were dual users. Frequency of cigarette smoking and EVP use was greater among dual users than cigarette-only smokers and EVP-only users. Cigarette-only smokers, EVP-only users, and dual users were more likely than nonusers to engage in several injury, violence, and substance use behaviors; have ≥4 lifetime sexual partners; be currently sexually active; and drink soda ≥3 times/day. Only dual users were more likely than nonusers not to use a condom at last sexual intercourse., Conclusions: EVP use, alone and concurrent with cigarette smoking, is associated with health-risk behaviors among high school students., (Copyright © 2017 by the American Academy of Pediatrics.)

Radon is a naturally occurring, colorless, odorless, and tasteless radioactive gas. Without testing, its presence is unknown. Using nationally representative data from the 2012 School Health Policies and Practices Study, we examined whether the prevalence of school district policies for radon testing and for radon-resistant new construction practices varied by district location in relation to the U.S. Environmental Protection Agency Map of Radon Zones. Among school districts located in counties with high predicted average indoor radon, 42.4% had policies for radon testing and 37.5% had policies for radon-resistant new construction practices. These findings suggest a critical need for improved awareness among policy makers regarding potential radon exposure for both students and school staff., Competing Interests: The authors declare no conflict of interest.

Introduction: Active school transport, such as by walking or biking, increases physical activity levels, which has health and academic benefits for children. We examined school demographic and other characteristics to determine their association with the percentage of students who walk or bike to school., Methods: We analyzed data from the Centers for Disease Control and Prevention's 2014 School Health Policies and Practices Study. The response rate for the module containing questions about transportation was 70% (N = 577). Multivariate logistic regression models examined whether certain school characteristics were associated with a school having 26% or more of students who walk or bike to school in the morning on an average school day., Results: In most (61.5%) schools, 10% or fewer students walked or biked to school in the morning on an average school day; in 22.7% of schools, 26% or more students did so. Although having crossing guards (adjusted odds ratio [AOR] = 3.3; 95% confidence interval [CI], 1.9-6.0), having bicycle racks (AOR = 2.7; 95% CI, 1.2-5.8), and providing promotional materials to students or families on walking or biking to school (AOR = 2.9; 95% CI, 1.7-5.1) were associated with having 26% or more students who walk or bike to school, only 47.7% of schools had crossing guards, 62.4% had bicycle racks, and 33.3% provided promotional materials., Conclusion: Several low-cost or no-cost strategies were associated with having 26% or more students who walked or biked to school, but these strategies are not commonly used in schools.

Background: Substance use is associated with sexual risk behaviors among youth, but little is known about whether nonmedical prescription drug use, an increasingly common behavior, is associated with sexual risk behaviors., Methods: Data from the 2011 and 2013 national Youth Risk Behavior Surveys, cross-sectional surveys conducted among nationally representative samples of students in grades 9 to 12 were combined (n = 29,008) to examine the association between ever taking prescription drugs without a doctor's prescription and sexual risk behaviors (ever having sexual intercourse, current sexual activity, lifetime number of sexual partners, condom use, and alcohol or drug use before last sexual intercourse). Using logistic regression models (adjusted for sex, race/ethnicity, grade, ever injection drug use, and use of alcohol, marijuana, heroin, cocaine, methamphetamines, ecstasy, and inhalants), we estimated adjusted prevalence ratios (aPRs) and 95% confidence intervals (CIs)., Results: Nonmedical use of prescription drugs (NMUPD) was associated with ever having sexual intercourse (aPR 1.16 [95% CI 1.11-1.22]), being currently sexually active (1.26 [1.20-1.33]), having ≥ 4 lifetime sexual partners (1.45 [1.34-1.57]), drinking alcohol or using drugs before last sexual intercourse (1.32 [1.17-1.48]), and not using a condom at last sexual intercourse (1.14 [1.05-1.23]). As the frequency of NMUPD increased, the association between NMUPD and each of the sexual risk behaviors increased in strength, suggesting a dose-response relationship., Conclusions: NMUPD is associated with sexual behaviors that put high school students at risk for sexually transmitted infections. These findings can be used to inform clinical and school-based interventions developed to reduce drug use and sexually transmitted infections., (Copyright © 2016 by the American Academy of Pediatrics.)

Nationally representative data from the 2012 School Health Policies and Practices Study examined whether state assistance on indoor air quality (IAQ) was associated with district-level policies and practices related to IAQ and integrated pest management (IPM). Districts in states that provided assistance on IAQ were more likely than districts not in such states to (1) have an IAQ management program (p < .001); (2) require schools to conduct periodic inspections of the heating, ventilation, and air conditioning system (p < .05); of the building for cracks, leaks, or past water damage (p < .01); for mold (p < .01); for clutter that prevents effective cleaning and maintenance (p < .05); of the plumbing system (p < .01); and for condensation in and around school facilities (p < .001); (3) have an engine idling reduction program ( < .001); (4) have a policy to purchase low-emitting products (p < .05); and (5) require IPM strategies (p < .05). Increasing the number of states that provide IAQ-related assistance to school districts and schools may improve school IAQ., (© The Author(s) 2015.)

Background: Childhood exposure to adverse experiences has been associated with adult asthma, smoking, sexually transmitted disease, obesity, substance use, depression, and sleep disturbances. Conceptualizing bullying as an adverse childhood experience, 2011 Youth Risk Behavior Survey (YRBS) data were used to examine the relationship between in-person and electronic bullying victimization among US high school students and health risk behaviors and conditions related to violence, substance use, sexual risk, overweight and physical activity, sleep, and asthma., Methods: Data were from the 2011 national YRBS among students who answered questions about in-person and electronic bullying (N = 13,846). The YRBS is a biennial, nationally representative survey of students in grades 9-12 (overall response rate = 71%). Logistic regression analyses, stratified by sex and controlling for race/ethnicity and grade, examined the association between bullying victimization and health risk behaviors or conditions., Results: Rates of victimization varied; 9.4% of students reported being bullied in-person and electronically, 10.8% only bullied in-person, 6.8% only electronically bullied, and 73.0% uninvolved. Bullying was associated with nearly all health risk behaviors and conditions studied., Conclusion: Assessing the broad functioning and behaviors of victims of bullying could enable educators and health practitioners to intervene early and promote the long-term health of youth., (© 2015, American School Health Association.)

Introduction: Joint use or shared use of public school facilities provides community access to facilities for varied purposes. We examined a nationally representative sample of school districts in the United States to identify characteristics associated with having a formal joint use agreement (JUA) and with the kinds of uses to which JUAs apply., Methods: We analyzed data from the 2012 School Health Policies and Practices Study. The response rate for the module containing questions about formal JUAs was 60.1% (N = 630). We used multivariate logistic regression models to examine the adjusted odds of having a formal JUA and χ(2) analyses to examine differences in district characteristics associated with the uses of the JUA., Results: Among the 61.6% of school districts with a formal JUA, more than 80% had an agreement for the use of indoor and outdoor recreation facilities; other uses also were identified. JUAs were more common in urban than rural areas, in large than small school districts, and in the West compared with the Midwest, South, and Northeast., Conclusion: In many districts, school facilities appear to be an untapped resource for community members. Formal JUAs provide an opportunity for shared use while addressing issues of liability, cost, and logistics.

Background: Cigarette and alcohol use are common among youth. We examined sources of cigarettes and alcohol among youth who were current cigarette and alcohol users., Methods: We analyzed nationally representative data from the 2009 and 2011 national Youth Risk Behavior Surveys-biennial, school-based surveys of high school students in the United States. Students completed anonymous, self-administered questionnaires. Overall response rates were 71% for both years., Results: Among the 17.3% of current cigarette users <18 years, 27.3% usually gave someone else money to buy their cigarettes and 27.7% usually borrowed (bummed) them. Fewer (14.1%) usually bought their own cigarettes in a store. Among the 40.3% of current alcohol users, 24.3% usually gave someone else money to buy it and 41.2% usually had someone give it to them. A few (4.5%) usually bought their own alcohol in a store. Age and intensity of use were positively associated with students buying their own cigarettes or alcohol, but negatively associated with students borrowing or having someone else give it to them., Conclusions: Because social and commercial sources of cigarettes and alcohol are common, multiple strategies are needed to reduce the ability for youth to obtain them and reduce their desire for them., (Published 2014. This article is a U.S. Government work and is in the public domain in the USA.)

Importance: Indoor tanning is associated with an increased risk of skin cancer, including melanoma, and is particularly dangerous for younger and more frequent indoor tanners., Objective: To examine the prevalence of indoor tanning and frequent indoor tanning (≥10 times during the 12 months before each survey) and their association with health-related behaviors., Design, Setting, and Participants: A cross-sectional study examined data from the 2009 and 2011 national Youth Risk Behavior Surveys, which used nationally representative samples of US high school students representing approximately 15.5 million students each survey year. The study included 25,861 students who answered the indoor tanning question., Main Outcomes and Measures: The prevalence of indoor tanning and frequent indoor tanning were examined as well as their association with demographic characteristics and health-related behaviors using multivariable logistic regression modeling., Results: The prevalence of indoor tanning was greater among female, older, and non-Hispanic white students. Indoor tanning was highest among female students aged 18 years or older, with 31.5% engaging in indoor tanning in 2011, and among non-Hispanic white female students, with 29.3% engaging in indoor tanning in 2011. Among female students, the adjusted prevalence of indoor tanning decreased from 26.4% in 2009 to 20.7% in 2011. Among female and male students, indoor tanning was associated with other risk-taking behaviors, such as binge drinking (P < .001 and P = .006, respectively), unhealthy weight control practices (P < .001, for both), and having sexual intercourse (P < .001, for both). Additionally, indoor tanning among female students was associated with using illegal drugs (P < .001) and having sexual intercourse with 4 or more persons (P = .03); use among male students was associated with taking steroids without a physician's prescription (P < .001), smoking cigarettes daily (P = .03), and attempting suicide (P = .006). More than half of respondents engaging in indoor tanning reported frequent use of the devices., Conclusions and Relevance: Indoor tanning is common among high school students. Public health efforts are needed to change social norms regarding tanned skin and to increase awareness, knowledge, and behaviors related to indoor tanning. The clustering of risky behaviors suggests a need for coordinated, multifaceted approaches, including primary care physician counseling, to address such behaviors among adolescents.

Background: We describe the prevalence of behaviors that put American Indian and Alaska Native (AI/AN) high school students at risk for teen pregnancy and sexually transmitted infections (STIs) and the relationships among race/ethnicity and these behaviors., Methods: We analyzed merged 2007 and 2009 data from the national Youth Risk Behavior Survey, a biennial, self-administered, school-based survey of US students in grades 9-12 (N = 27,912). Prevalence estimates and logistic regression, controlling for sex and grade, were used to examine the associations between race/ethnicity, and substance use, and sexual risk behaviors., Results: Of the 26 variables studied, the adjusted odds ratios (AOR) were higher among AI/AN than White students for 18 variables (ranging from 1.4 to 2.3), higher among AI/AN than Black students for 13 variables (ranging from 1.4 to 4.2), and higher among AI/AN than Hispanic students for 5 variables (ranging from 1.4 to 1.5). Odds were lower among AI/AN than Black students for many of the sexual risk-related behaviors., Conclusions: The data suggest it is necessary to develop targeted, adolescent-specific interventions aimed at reducing behaviors that put AI/AN high school students at risk for teen pregnancy, STI/HIV, and other health conditions., (Published 2013. This article is a U.S. Government work and is in the public domain in the USA.)

Background: When used appropriately, sunscreen decreases the amount of ultraviolet (UV) radiation exposure to the skin and is recommended to prevent skin cancer. This study examined the association between annual average UV index and sunscreen use among White, non-Hispanic youth., Methods: The 2007 and 2009 national Youth Risk Behavior Survey (YRBS) data were analyzed. The YRBS is a school-based, cross-sectional study that uses a 3-stage cluster sample design to obtain a nationally representative sample of public and private high school students in the United States. Overall response rates were 68% and 72% (N = 14,041 and 16,410, respectively). Logistic regression analyzes, controlling for grade, examined whether annual average (mean) UV index where students attend school, a proxy measure of potential sunlight exposure, was associated with sunscreen use., Results: Among White male students, as the mean UV index increased, the adjusted odds of never wearing sunscreen increased (adjusted odds ratio, AOR = 1.15 [95% CI = 1.04, 1.27], p < .01) and the adjusted odds of most of the time or always wearing sunscreen decreased (AOR = 0.85 [0.78, 0.94], p < .01). There was no association between sunscreen use and mean UV index among White female students., Conclusion: These findings suggest a need for renewed public health efforts among school, clinical, and public health professionals to promote sunscreen use as part of a comprehensive approach to prevent skin cancer. School and community approaches that passively protect young people from the sun should be considered as a complement to efforts to increase sunscreen use., (Published 2013. This article is a U.S. Government work and is in the public domain in the USA.)

Background: To determine whether schools with a formal indoor air quality management program were more likely than schools without a formal program to have policies and practices that promote superior indoor air quality., Methods: This study analyzed school-level data from the 2006 School Health Policies and Programs Study, a national study of school health programs and policies at the state, district, and school levels. Using chi-square analyses, the rates of policies and practices that promote indoor air quality were compared between schools with and schools without a formal indoor air quality program., Results: The findings of this study show that 51.4% of schools had a formal indoor air quality management program, and that those schools were significantly more likely than were schools without a program to have policies and use strategies to promote superior indoor air quality., Conclusions: These findings suggest that schools with a formal indoor air quality program are more likely support policies and engage in practices that promote superior indoor air quality.

Background: This study explores the relationship between self-reported physical disabilities or long-term health problems and health risk behaviors or adverse health conditions (self-reported engagement in violent behaviors, attempted suicide, cigarette smoking, alcohol and other drug use, sexual activity, physical activity, dietary behaviors, self-reported overweight [based on height and weight], physical health, and mental health) among US high school students., Methods: Data were from the Centers for Disease Control and Prevention's 2005 national Youth Risk Behavior Survey, a cross-sectional paper-and-pencil survey collected from a representative sample of public and private high school students (grades 9 through 12) in the United States., Results: Significantly more students with physical disabilities or long-term health problems than without described their health as fair or poor and reported being in a physical fight, being forced to have sexual intercourse, feeling sad or hopeless, seriously considering and attempting suicide, cigarette smoking, using alcohol and marijuana, engaging in sexual activity, using computers 3 or more hours per day, and being overweight (for all, p < or = .05). For none of the health risk behaviors analyzed were the rates significantly lower among students with physical disabilities or long-term health problems than among other students., Conclusions: Young people who live with physical disabilities or long-term health problems may be at greater risk for poor health outcomes. Public health and school health programs, with guidance from health care providers, need to work with these adolescents and their families to develop and implement appropriate interventions, with particular emphasis on promoting mental health.

Objectives: We examined the extent to which schools in the United States have health-promoting policies, programs, and facilities., Methods: We analyzed data from the School Health Policies and Programs Study 2000., Results: We found that public schools (vs private and Catholic schools), urban schools (vs rural and suburban schools), and schools with larger enrollments (vs smaller schools) had more health-promoting policies, programs, and facilities in place. On average, middle schools had 11.0 and middle/junior and high schools had 10.4 out of a possible 18 policies, programs, and facilities., Conclusions: Although some schools had many healthy physical environment features, room for improvement exists. Resources are available to help schools improve their health-promoting policies, programs, and facilities.

To understand the relationship between demographic characteristics of schools and school health policies and programs, this study analyzed data from the School Health Policies and Programs Study (SHPPS) 2000. SHPPS 2000 provides nationally representative data on eight components of school health. Data were collected from school faculty and staff using onsite, computer-assisted personal interviews, then linked with extant data on school characteristics. Results from a series of regression analyses indicated that the presence of most policies and programs examined differed according to school type (public, private, or Catholic), urbanicity, school enrollment size, per-pupil expenditure, percentage of White students and, among high schools, percentage of college-bound students. No one type of school, however, was more likely than another type to have all key aspects of a school health program in place. Regardless of school characteristics, all schools are capable of implementing quality school health programs.