Table 1 Descriptive characteristics of the sample

BMI*

18.966

3.551

19.398

3.889

18.605

3.203

Total counts (counts/day)

Week*

413457.7

123847.3

465198.2

122745.3

370300.2

107217.1

Weekdays*

438802.4

133234.2

497569.6

137395.1

389783.9

107509.3

Weekend*

347997.4

158595.7

382917.4

158595.7

382917.4

158585.8

Mean counts (counts/min)

Week*

429.7

147.8

477.6

152.9

389.6

130.8

Weekdays*

449.9

157.0

504.9

167.7

404.0

130.9

Weekend*

377.1

181.4

407.2

180.0

352.0

178.9

Moderate intensity activity (min)

Week*

22.4

10.0

27.5

10.2

18.2

7.5

Weekdays*

24.4

11.0

30.1

11.3

19.5

8.1

Weekend*

17.5

11.0

20.9

12.1

14.7

9.2

Vigorous intensity activity (min)

Week*

5.9

4.2

7.1

4.4

4.8

3.6

Weekdays*

6.5

4.6

8.0

5.2

5.3

3.7

Weekend*

4.3

4.6

4.9

4.4

3.7

4.6

MVPA (min)

Week*

29.3

13.9

35.6

14. 2

24.1

11.2

Weekdays*

31.9

15.3

39.2

16.0

25.9

11.7

Weekend*

22.6

15.3

25.5

16.1

19.3

13.8

Travel distance to school (%)

0-500 m

34.4

37.8

31.5

501-1000 m

36.8

38.9

35.0

1001-1600 m

17.5

16.0

18.7

>1600 m

11.3

7.3

14.7

School location (%)

Old, low

22.0

23.8

20.6

Old, high

26.6

24.6

28.3

New, low

29.2

29.4

29.0

New, high

22.2

22.1

22.2