Background: This study assessed the effects of the "Jump-in" whole-school intervention in Amsterdam, the Netherlands, on children's weight development by comparing children exposed to the intervention and controls from 3 other large Dutch cities. Jump-in is a comprehensive intervention that aims to stimulate healthy nutrition and…

Background: Musculoskeletal injuries are common in adolescents, and recently schools have been suggested as an opportune location for injury prevention strategies. This study aimed to identify the current practices and perceptions of post-primary PE teachers in Ireland on injury prevention exercise programs (IPEP), which are key to informing…

Introduction: Gender-based violence is a worldwide problem. School-based socio-educational interventions could be effective in preventing gender-based violence. We assessed the effectiveness of the "Let's focus!" program, aimed at health and equitable interpersonal relationships among high school students. Methods: We conducted a…

Background: Implementation of school-based health promotion programs requires contextual fit. To strengthen the nutrition education program "Krachtvoer" (ENG: "Power Food") and learn general lessons about contextual fit, this study examined how the program, the context, and program-context interactions affected teachers'…

Background: Implementation of Health Promoting School (HPS) programs can be challenging due to the dynamic school context. Navigating between program fidelity and adaptation, as well as integrating the program, is essential for successful implementation, and consequently, for program effects. As part of an evaluation study in the Netherlands, this…

Introduction: Puberty health, as a fundamental aspect of adolescent health, requires targeted and evaluated educational programs. However, to date, a comprehensive tool to measure the effectiveness of these programs has not been developed. Therefore, this study aimed at the design and psychometric validation of the Evaluation Scale for Puberty…

Background: In France, 3.2 million middle-school students have serious/persistent school difficulties and are re-engaged in adapted-general/vocational-education class (AGVEC), created to early re-engage them in school/professional projects. We assessed the AGVEC's benefits for school-behavior-health-related difficulties (SBHDs). Methods: This…

Background: teen Mental Health First Aid (tMHFA) is an Australian school-based universal program for grade 10 to 12 students. tMHFA teaches teens how to recognize and respond to a peer in crisis or experiencing mental health concerns. Methods: Schools implementing tMHFA in 2019 and 2020 were propensity score matched, yielding a sample of…

Background: Childhood malnutrition is commonplace among poor rural communities in China. In 2012, China launched its first nationwide school-feeding program (SFP) to address this problem. This study examines the prevalence of malnutrition before and after the SFP and identifies possible reasons for the trends observed. Methods: Ordinary least…

Background: The ToyBox-intervention has increased preschool children's water consumption. This study aimed to examine if family-related determinants mediate the effects of the ToyBox-intervention on preschoolers' water consumption. Methods: Overall, 6290 preschoolers and their families from 6 European countries participated in the…

Background: We examined the effects of the Galaxy Rescuers game, a collaborative board game on schoolchildren's bullying intervention. Methods: We conducted a group-randomized controlled trial. We recruited 328 fifth graders at an elementary school in northern Taiwan. The study took place in fall 2015 over a 7-week period. We used the generalized…

Background: While dietary sources of calcium are important for bone health, the intake of milk and milk products decreases as children get older. A free milk in schools program may mitigate this decrease in milk consumption. We evaluated the Fonterra Milk for schools program (a free milk initiative) by determining changes in children's milk…

Background: Bullying behavior in schools can lead to psychosocial problems. School-based interventions are important in raising student awareness, developing their skills and in planning to reduce bullying behavior. Methods: A randomized controlled trial, using a school-based educational intervention to reduce verbal bullying, was conducted among…

Background: Despite the importance of breakfast consumption, breakfast skipping is common among Canadian youth. This study examines how changes to school-based breakfast programs are associated with breakfast-skipping behavior. Methods: Using school-level longitudinal data from Year 1 (Y[subscript 1]: 2012-2013) and Year 2 (Y[subscript 2]:…

Background: Although schools are considered opportune settings for youth health interventions, a gap between school health research and practice exists. COMPASS, a longitudinal study of Ontario and Alberta secondary students and schools (2012-2021), used integrated knowledge translation to enhance schools' uptake of research findings. Schools…