Background: Mental disorders most likely manifest during adolescence, providing opportunities for schools and professionals to implement standardized mental health literacy (MHL) interventions to support improvement of mental health outcomes. Purpose: This study aimed to evaluate the impact of an MHL intervention (the Guide) on knowledge, stigma,…

Objective: To assess whether adolescents who appeared in an after-school cooking nutrition programme (Teen Battle Chef) sustained healthful food behaviours in the ensuing years into young adulthood. Design: Interviews involving a short verbal survey assessing six health behaviours coded dichotomously and open-ended questions coded for themes…

Background: Comprehensive health education in schools can effectively prevent drug use and related outcomes, but successful implementation remains challenging. Contextual determinants, including intervention-setting compatibility, focus on the intervention, available resources, and leadership support, influence implementation success. This study…

This study compared the Peak Health and Performance curriculum (PHP) to the Teen Cuisine curriculum (TC) on improving nutrition, food safety, and physical activity (PA) behaviors among youth. The quasi-experimental study was conducted in Michigan middle and high schools and included 1007 5th- through 12th-grade students, who participated in either…

Objective: The objectives of this study were to (1) measure the acceptability of Students As LifeStyle Activists (SALSA) Youth Voices (SYV) programme, (2) determine the skills gained by peer leaders from their participation in SYV and (3) determine whether peer leaders were able to design and implement an action to promote healthy eating and…

This article presents the results of a randomized clinical trial evaluating the eight-session "Family Eats" web-based intervention promoting healthy home food environments for African American families. African American families (n = 126) with 8- to 12-year-old children completed online baseline questionnaires and were randomized into…

Fidelity in implementing an intervention is critical to accurately determine and interpret the effects of an intervention. It is important to monitor the manner in which the behavioral intervention is implemented (e.g. adaptations, delivery as intended and dose). Few interventions are implemented with 100% fidelity. In this study, high school…

The Reducing Obesity in Students Everywhere (ROSE) health promotion presentations educate students in grades 3-12 about nutrition, physical activity, reducing screen time, sleep, smoking, stress management, and the benefits of a healthy lifestyle. This article describes the content of the presentations, how information is delivered, strategies…

Introduction: Group-randomized trials (GRTs) are one of the most rigorous methods for evaluating the effectiveness of group-based health risk prevention programs. Efficiently designing GRTs with a sample size that is sufficient for meeting the trial's power and precision goals while not wasting resources exceeding them requires estimates of the…

Background: REBOUND is a novel media-based life skills and risk education programme developed for 14- to 25-year olds in school, university or youth group settings. This paper outlines the programme's rationale, curriculum and implementation. It provides information of relevance to researchers, programme developers and policymakers. Methods/design…