Shin-Jeong Kim, Haeryun Cho, Seong-Sook Baek
Effects of Healthy Life Practice Education on Reported Health Behaviors Among Fourth-Grade Elementary School Students in South Korea
The Journal of school nursing : the official publication of the National Association of School Nurses
examined longitudinal changes childrens physical activity school day afterschool evening across fifth sixth seventh grades analytical sample included children valid accelerometer data fifth grade least one timepoint provided complete sociodemographic information n 768 751 612 3 timeperiods studied accelerometerderived total physical activity tpa moderatetovigorous physical activity mvpa expressed minutes per hour school day 745 330 pm afterschool 225 600 pm evening 600 1000 pm periods used growth curve analyses examine changes tpa mvpa school day tpa mvpa declined significantly observed greater decrease fifth sixth grades sixth seventh grades afterschool tpa declined significantly mvpa increased significantly among girls remained stable boys evening tpa decreased significantly mvpa declined significantly girls remained stable among boys inform development effective intervention strategies research focus examining factors associated decline physical activity transition elementary middle school particularly hours children school