Claire J McCartan, Jennifer Roberts, Julie-Ann Jordan
Centre-based early education interventions for improving school readiness: A systematic review
Campbell systematic reviews
physical activity adolescents associated short longterm health benefits physical activity occur various domains influenced complex network factors aims study 1 describe physical activity brazilian adolescents physical education classes leisure time active commuting 2 investigate sociodemographic behavioral factors associated physical activity representative sample included 109104 brazilian students final year elementary school 2842 schools weekly frequency duration physical activity assessed variety sociodemographic behavioral factors studied multiple poisson regression analysis used test associations physical activity sociodemographic behavioral variables students 970 engaged physical activity least one domains studied especially physical education school 817 leisure time physical activity 675 however 29 adolescents reached recommended level physical activity among adolescents reached minimum recommended time physical activity various domains contributed following proportions total physical activity leisure time physical activity pr 125 95 ci 11171397 active commuting pr 163 95 ci 159167 physical education school pr 136 95 ci 129144 weekly frequency activities greater among boys among girls moreover nearly twothirds 618 students spent two hours per day engaging sedentary behaviors prevalence sedentary behaviors similar boys girls 590 645 respectivelytotal level physical activity leisure time physical activity active commuting associated higher nutritional scores physical activity important health promotion program therefore necessary invest policies interagency initiatives promote domains ensure general population helps determine scope design policies