Table 1 Data as regard the level of physical activity at baseline and follow-up.

Numbers

42

43

Age

7.7 (0.6)

7.9 (0.6)

0.08

Organized physical activity evaluated through questionnaire (hrs/w)

   School curriculum

3.3

1.0

< 0.001

   Outside the school

0.7 (0.6)

1.4 (1.7)

0.009

   Total physical activity

4.0 (0.6)

2.4 (1.7)

< 0.001

   Follow-up data

Numbers

42

43

Age

9.7 (0.6)

9.9 (0.6)

0.14

Organized physical activity evaluated through questionnaire (hrs/w)

   School curriculum

3.3

1.0

< 0.001

   Outside the school

1.4 (1.4)

2.0 (2.1)

0.13

   Total physical activity

4.7 (1.4)

3.0 (2.1)

< 0.001

   Accelerometer data

Numbers

41

40

Recording time per day (hours/day)

11.8 (1.4)

12.0 (1.3)

0.50

Mean activity/day (counts per minutes)

644 (192)

590 (121)

0.13

Moderate to vigorous activity (> 3 METs; min/day)

193 (47)

185 (37)

0.38

Vigorous activity (> 6 METs; min/day)

34 (15)

35 (13)

0.77

> 5000 counts per minutes/day

17.9 (9.9)

16.8 (8.5)

0.58

> 6000 counts per minutes/day

12.5 (7.6)

10.5 (6.2)

0.19

> 10,000 counts per minutes/day

2.6 (2.5)

1.0 (1.2)

< 0.001