Background: The purpose of this study was to characterize the temporal, social, and physical contexts for physical activities commonly reported in a diverse cohort of 753 boys and girls from fifth to seventh grade. Methods: Data were obtained from a multilevel longitudinal study, the Transitions and Activity Changes in Kids. The Physical Activity…

Background: Universal masking, with additional layered prevention strategies, was an essential tool for limiting the transmission of SARS-CoV-2 and ensuring a safe return to in-person learning for kindergarten through 12th grade (K-12) students and staff. Few studies have examined mask adherence in this setting and none have described types of…

Background: Teachers can face demanding and stressful working conditions. Classroom environments in elementary schools are dynamic and challenging, which can be mentally and emotionally exhausting for teachers. This study aimed to investigate the prevalence of psychological distress and identify associated factors among elementary school teachers.…

Background: The comprehensive school health (CSH) framework has four components: social and physical environment; partnerships and services; teaching and learning; and policy. This study examines associations between CSH and student physical activity (PA). Methods: Using 2015/2016 COMPASS study survey data of 37,397 students (grades 9-12) from 80…

Background: School-based pregnancy prevention programs should optimally be offered while students are still engaged in school since early disengagement is strongly associated with risk of a teen birth. Methods: We used linked New York City birth and enrollment data (2005-2013), a sample of 6,809 teen mothers (mean age conception = 16.2 years). We…

Background: Sedentary behavior (SB) is related to unhealthy outcomes and is performed in many contexts, including school. The aim of this study was to identify sociodemographic, biological, and psychosocial correlates of SB performed at school in a sample of adolescents. Methods: Adolescents provided information regarding sex, age, socioeconomic…

Background: Substance use, gambling, and violence represent a great risk for adolescent health. Schools are often referred to as the "best" places for health promotion and prevention, where positive school bonding serves as a strong protective factor for the development of risk behaviors and poor school bonding is associated with various…

Background: School factors play important roles in adolescent suicide. However, little is known about how school climate is associated with adolescent suicide. This study examined the relationship between perceived school climate and adolescent suicidal ideation and suicide attempts, and whether these relations were explained by adolescent sleep…

Background: School climate has been linked to multiple student behavioral, academic, health, and social-emotional outcomes. The US Department of Education (USDOE) developed a 3-factor model of school climate comprised of safety, engagement, and environment. This article examines the factor structure and measurement invariance of the USDOE model.…

Background: Active travel to school has been on the decline, despite its beneficial influence on children's current and future well-being. Adults' safety perceptions have been shown to influence children's active travel. Children's perceptions, particularly of safety, may be an important link not only to their present health and travel behaviors,…

Background: The school environment is an important context for understanding risk factors for teen dating violence. This study seeks to add to the growing literature base linking adolescent experiences with bullying and involvement with teen dating violence. Methods: Data were collected from 27,074 adolescents at 58 high schools via a Web-based…

Background: Children spend most of their awake time at school, and it is important to identify individual and school-level correlates of their physical activity (PA) levels. This study aimed to identify the between-school variability in Portuguese children PA and to investigate student and school PA correlates using multilevel modeling. Methods:…

Background: Enjoyment of physical activity is as an important determinant of children's participation in physical activity. Despite this, there is an absence of reliable measures for assessing children's enjoyment of play activities during school lunchtime. The purpose of this study was to develop and assess the reliability of the Lunchtime…

Background: Using the Chinese version of the Global School-based Health Survey (GSHS), this article describes the prevalence of being bullied among a nationally representative sample of Chinese students in grades 6-10 and explores the relationships between being bullied and selected indicators of psychosocial adjustment. Methods: A total of 9015…

Background: Low-level violent behavior, particularly school bullying, remains a critical public health issue that has been associated with negative mental and physical health outcomes. School-based prevention programs, while a valuable line of defense to stave off bullying, have shown inconsistent results in terms of decreasing bullying. This…