Baseline

Follow-up

p

Baseline

Follow-up

p

Total

Intervention group (n = 86)

Control group (n = 151)

Sedentary, mean min (SD)

15.4 (4.9)

13.5 (3.4)

<0.001

14.4 (4.0)

14.1 (3.5)

0.31

Moderate, mean min (SD)

5.6 (1.6)

6.0 (1.3)

0.046

6.1 (1.5)

6.2 (1.3)

0.35

Vigorous, mean min (SD)

6.8 (3.0)

7.9 (2.8)

<0.001

8.2 (2.8)

8.1 (2.9)

0.53

MVPA, mean min (SD)

12.4 (4.1)

13.9 (3.3)

<0.001

14.3 (3.5)

14.3 (3.4)

0.93

Steps, mean (SD)

1558 (491)

1802 (359)

<0.001

1880 (406)

1793 (360)

0.02

counts/min, mean (SD)

1699 (559)

1924 (495)

<0.001

1920 (474)

1926 (499)

0.89

Boys

Intervention group (n = 42)

Control group (n = 79)

Sedentary, mean min (SD)

13.4 (5.2)

13.1 (3.6)

0.75

13.3 (3.6)

13.2 (3.6)

0.79

Moderate, mean min (SD)

6.3 (1.7)

6.2 (1.2)

0.67

6.7 (1.5)

6.5 (1.3)

0.43

Vigorous, mean min (SD)

7.8 (3.0)

8.6 (2.8)

0.11

9.0 (2.9)

9.0 (2.9)

0.97

MVPA, mean min (SD)

14.1 (4.1)

14.7 (3.2)

0.32

15.7 (3.4)

15.5 (3.3)

0.76

Steps, mean (SD)

1626 (551)

1861 (360)

0.01

2022 (416)

1899 (372)

0.04

counts/min, mean (SD)

1878 (554)

2016 (488)

0.08

2058 (469)

2078 (510)

0.75

Girls

Intervention group (n = 44)

Control group (n = 72)

Sedentary, mean min (SD)

17.4 (3.6)

13.9 (3.3)

<0.001

15.6 (4.0)

15.1 (2.8)

0.23

Moderate, mean min (SD)

5.0 (1.3)

5.9 (1.3)

<0.001

5.5 (1.2)

5.9 (1.3)

0.03

Vigorous, mean min (SD)

5.9 (2.8)

7.2 (2.7)

<0.001

7.4 (2.5)

7.0 (2.5)

0.30

MVPA, mean min (SD)

10.9 (3.4)

13.1 (3.2)

<0.001

12.9 (2.9)

13.0 (2.9)

0.81

Steps, mean (SD)

1493 (423)

1746 (353)

<0.001

1725 (333)

1676 (309)

0.30

counts/min, mean (SD)

1529 (514)

1837 (492)

<0.001

1768 (434)

1759 (433)

0.88