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, % body fat: estimated percentage of body fat. *: A significant change over time with p<0.05. ? : Average change over time per year was estimated with multilevel analysis using all repeated measurements, p.20

, TABLE 2. Changes in physical activity indicators over a 4-year period, 1997.

. ***, A significant change over time with p<0, p.1

. **-with,

, 044/0.49) girls -0, *5m shuttle run test, vol.84