Table 9. Increase in the result of the 6-min-run between the different BMI-classification at T1 (BMI-T1) in both schooltypes (IS = intervention schools; CS = control schools).

BMI-T1

 

N

Means (ąSD)

obesity

IS

28

61.0 (138.6)

CS

17

16.9 (86.63)

overweight

IS

35

70.9 (147.5)

CS

20

82.2 (99.5)

normal weight

IS

321

87.1 (130.1)

CS

126

78.3 (129.7)

underweight

IS

29

131.5 (120.8)***

CS

18

74.1 (107.3)
*** p = 0.006 compared with CS by ANCOVA (adjusted for gender and age).