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Title: Differences in the intensity and duration of adolescents' sports and exercise across physical and social environments.
Authors: Dunton GF,  Berrigan D,  Ballard-Barbash R,  Perna F,  Graubard BI,  Atienza AA
Journal: Res Q Exerc Sport
Date: 2012 Sep
Branches: BB
PubMed ID: 22978186
PMC ID: not available
Abstract: We used data from the American Time Use Survey (years 2003-06) to analyze whether the intensity and duration of high school students' (ages 15-18 years) sports and exercise bouts differed across physical and social environments. Boys' sports and exercise bouts were more likely to reach a vigorous intensity when taking place at school and with friends/acquaintances/other people; whereas girls' sports and exercise bouts were more likely to reach a vigorous intensity when outdoors and alone. For boys and girls, bout durations were greater at school and with friends/acquaintances/other people than in other environments. Overall, environmental influences on the intensity but not duration of sports and exercise bouts appear to differ between boys and girls.