Longitudinal 2-year follow-up on the effect of a school-based physical activity intervention on reducing overweight and obesity in Czech children aged 10–12 years

Background Schools have the potential to provide optimum tools and settings for the implementation of interventions aimed at all school-aged children enabled by the long duration of compulsory school attendance. The aim of this study is to assess the effect of a two-year (2006–2008) non-randomized school-based physical activity (PA) intervention programme on reducing overweight and obesity two years after the end of the controlled intervention (2010). Methods The study involved 84 girls (G) …