Overweight and obesity by school socioeconomic composition and adolescent socioeconomic status: a school-based study.

Background: The main objective of this study was to investigate the interaction effect of school socioeconomic composition (SEC) and adolescent socioeconomic status (SES) in the prevalence of overweight and obesity among a representative sample of French adolescents of the third most populous département of France.

Methods: 1038 adolescents agreed to participate (response rate: 91.4%).

Temporal Trends in Sports Participation among Adolescents between 2001 and 2015: A French School- and Territory-Based Study.

Improving adolescents’ levels of sport and physical activity (PA) is an official public health issue. French national government plans were launched in 2001, 2006, and 2011 to improve the participation levels of citizens. These plans should be monitored.