Between-school variation in physical activity, aerobic fitness, and organized sports participation: A multi-level analysis

摘要: Abstract A large proportion of a child's day is spent at school interacting with certain physical surroundings, teachers, and friends. Thus, schools could have marked impact on establishing activity habits. The aim the present study was to assess between-school variation in activity, aerobic fitness, organized sports participation. Altogether, we tested 1766 nine- fifteen-year-old children attending 242 classes 35 different Denmark 1997–2003. intra-class correlation coefficient (ICC) for objectively assessed ranged between 0.06 0.18 depending dimension time considered (i.e. vs. leisure time). For an ICC 0.10 observed, whereas that participation 0.01 age group. Studying provides information about extent which adjust their physi...