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Thibaut Derigny et al., « Exploration of socio-ecological variables to protect against physical activity drop out during lockdown », HAL SHS (Sciences de l’Homme et de la Société), ID : 10.7752/jpes.2023.01028
Problem Statement. The lockdown against coronavirus 2019 pandemic has led to a decrease in physical activity (PA), but any study has analyzed PA’ evolution during this transition following the social-ecological theoretical framework of human development. It suggests that PA engagement depends on the interaction of individual, interpersonal and environmental determinants. This model is essential to better understand PA engagement and to prevent future crises. Purpose. This study investigated the evolution of adolescents’ PA with their protective and inhibitory barriers according to ecological model of PA engagement. Methods. A longitudinal follow-up of 808 French adolescents between before and during lockdown were questioned from PA and socio-demographic data. Wilcoxson signed rank test and Boruta forest algorithm were used to quantify the evolution of each PA intensity and to identify protective and inhibitory socio-ecological’s determinants on PA behaviour. Results. Our results showed a significant decrease in the overall PA (-231 Mets.min.week-1, p