Yusuke Matsuyama, Takeo Fujiwara, Manami Ochi, Aya Isumi, Tsuguhiko Kato
Self-control and dental caries among elementary school children in Japan
Community dentistry and oral epidemiology
schools called upon provide children 30 minutesday moderate vigorous physical activity mvpa schoolbased physical activity interventions targeted schools serve children lowincome families study evaluated effects pilot competencybuilding professional development program school day mvpa total activity light vigorousintensity activity students schools serve lowincome families single group intervention multiple followup repeated crosssectional measures students attending eight elementary schools one lowincome school district serving 3719 students participatorybased experiential competencybuilding professional development workshop physical education classroom teachers baseline fall 2015 intervention delivered spring 2016 spring 2017 hipplaced accelerometers used derive percentage children accumulating 30 minutes mvpa school day minutes mvpa time spent sedentary analyses conducted july 2017 total 1570 first fourthgrade students 498 girls 870 african american 88 free reducedprice lunch measured across project primary analyses indicated percentage girls boys meeting 30minutesday guideline increased 93 95 ci47 139 104 95 ci55 153 respectively corresponding increase 17 95 ci05 28 25 95 ci11 38 mvpa minutes accumulated school day observed girls boys respectively primary analyses indicated statistically significant increases mvpa total activity boys girls observed across school day classroom time physical education participatorybased experiential competencybuilding professional development effective strategy increasing students mvpa total activity lowincome schools however data study indicate targeting settings outside school day may appropriate given schools providing two thirds recommended 30 minutesday mvpa prior intervention