Making informed health decisions requires knowledge and skills in appraising health claims, and teaching adolescents these skills may prepare them for future decision-making. This cluster randomized trial evaluated the effectiveness of an educational intervention on students' ability to identify and appraise health claims. Nine Australian high…

The group at the highest risk of smartphone addiction is adolescents. In particular during the coronavirus disease 2019 pandemic, factors such as conducting education online, curfew and the increase in the monotonous time spent at home have led to an increase in the use of smartphones among adolescents. Therefore, this study aimed to determine the…

This study assesses the ability of an online sexuality education (OSE) module ('You and Me') to enhance sexual and reproductive health (SRH) knowledge and attitudes among 10th-grade vocational high school students in China. We conducted a cluster randomized controlled trial, randomizing 29 vocational high schools to (i) receiving the module…

Southern Africa remains the epicentre of the human immunodeficiency virus (HIV) epidemic with AIDS the leading cause of death amongst adolescents. Poor policy translation, inadequate programme implementation and fragmentation of services contribute to adolescents' poor access to sexual and reproductive health and rights (SRHR) services. This study…

Iceland has witnessed a dramatic decline in adolescent substance use that may be partly the result of efforts related to the Icelandic prevention model (IPM). We sought to test risk and protective factor assumptions of the IPM using a prospective cohort study with 12 months separating baseline from follow-up. Participants were students in grades 8…

Process evaluation of public health interventions is important for understanding intervention results and can help explain why interventions succeed or fail. This study evaluated implementation of a school-based intervention combining educational and environmental strategies to prevent stress among Danish high school students. We investigated dose…

Reducing youth cannabis use in Canada is a public health priority with schools of interest as a potential modifier of behavior and as a venue for prevention programming. This work aimed to provide a basis for future policy and programming by evaluating pre-legalization cannabis use change patterns in schools and the impact of school…

The national Finnish Schools on the Move programme support schools with their individual plans to promote school-based physical activity (PA). We examined the changes in adolescents' recess and overall PA in four lower secondary schools and described the school actions to promote students' PA and the local contact persons' perceptions of the…

The focus of this article is a school-based respectful relationships (RRs) pilot project involving grade 8 and 9 students. The project sought to develop a primary prevention approach to gender-based violence (GBV) in Australia. Of particular concern is the curriculum delivery component of a whole school approach that was piloted over a 10-week…

This study examined the relationship between the changes of physical fitness across the 3-year spectrum of senior high school study and academic performance measured by standardized tests in Taiwan. A unique dataset of 149 240 university-bound senior high school students from 2009 to 2011 was constructed by merging two nationwide administrative…

Restless Development's youth-led model places trained Volunteer Peer Educators (VPEs), aged 18-25 years, in schools to teach HIV prevention and reproductive health (RH). VPEs also run youth centers, extracurricular and community-based activities. This evaluation assesses (i) program effects on students' HIV/RH knowledge, attitudes and behaviors…

This study was designed to evaluate potential preventive effects of a cultural adaption of the Focus on Kids (FOK) program among Chinese adolescents through a quasi-experimental intervention trial in Nanjing, China. High school students were assigned to either experimental groups (n = 140) or control groups (n = 164) by schools (with three schools…

Characteristics of learners who become peer educators are rarely explored despite the potential relevance to the success of peer education programmes. Fifteen high schools selected to implement peer education HIV prevention programmes in South Africa were recruited. A total of 2339 Grade 10 learners were surveyed and comparisons were made between…

This paper has the following aims: (i) to explore the extent to which students who received an intervention involving HIV/AIDS and sexuality perceived that their teacher cared for their health and well-being, (ii) to investigate the characteristics of students who reported to have caring teachers and (iii) to document the association between…

The school environment has been often identified as a prosperous venue for public health improvement. This study is a cluster randomized controlled trial evaluating the impact of a school-based helmet promotion program on knowledge, attitudes and practices of eligible adolescent drivers. Four public, four private and four vocational high schools…