Data come from two cross-sectional surveys, representative of the population in France, the “Etude Nationale Nutrition Santé” 2006–2007 and the Esteban study 2014–2016, and were collected through the International Physical Activity Questionnaire and the Recent Physical Activity Questionnaire for adults, the Youth Risk Behavior Survey and specific questionnaire for children. This article presents the prevalence of PA and SB in the French population and their evolution during the last decade. Monitoring the prevalence of physical activity (PA) and SB is essential to meet the health needs of the population. Nsufficient physical activity and sedentary behaviors (SB) are major risk factors for non-communicable diseases. Experimental trials are needed to determine whether strategies designed to increase time spent outdoors exert a positive influence on physical activity and fitness levels in youth. Time spent outdoors is positively associated with MVPA and cardiorespiratory fitness in youth and negatively associated with sedentary behavior. No differences in overweight/obesity or blood pressure were observed across the groups. 001) than youth who reported no time outdoors (n = 52). 001), and had higher cardiorespiratory fitness (49 ± 5 vs 45 ± 6 mL/kg/min adjusted P <. 001), were more likely to achieve the recommended minimum 60 min/day of MVPA (aOR 2.8 95% CI, 1.3-6.4), spent less time in sedentary activities (539 ± 97 min/day vs 610 ± 146 min/day adjusted P <. Secondary outcomes included sedentary behavior, cardiorespiratory fitness, overweight status, and blood pressure.Īmong the 306 youth studied, those who reported spending most/all of their after-school time outdoors (n = 120) participated in more MVPA (61.0 ± 24.3 vs 39.9 ± 19.1 min/day adjusted P <. The main outcome of interest was accelerometer-derived MVPA (Actical: 1500 to >6500 counts/min).

The exposure of interest was self-reported time spent outdoors after school, stratified into three categories: none, some, and most/all of the time. We performed a cross-sectional study of 306 youth aged 13.6 ± 1.4 years. To determine whether time spent outdoors was associated with increased moderate-to-vigorous physical activity (MVPA) and related health benefits in youth.

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