Effects of a school-based intervention on 24-hour movement behaviors in adolescents: A quasi-experimental study.

ABSTRACT: Interest in integrating 24-hour movement behaviors (sleep, physical activity, and screen time) has increased in recent years, supporting global guidelines that emphasize their relevance for adolescent health. However, there remains a need for studies that assess the effectiveness of interventions aimed at improving these behaviors. This study aimed to evaluate the effectiveness of a school-based intervention grounded in Self-Determination Theory on: (1) 24-hour movement behaviors; (2) adherence to 24-hour movement behaviors recommendations; (3) health-related quality of life; and (4) Self-Determination Theory constructs associated with 24-hour movement behaviors. A quasi-experimental design with experimental and control groups was conducted, including pre-test, post-test, and follow-up ass

SUBMITTER: Ricardo-Sejin JR 

PROVIDER: S-EPMC12637913 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature