|
Variable
|
Control (n = 62)
|
Intervention (n = 169)
|
p-value
|
|---|
|
Age distribution (%)
|
|
< 9 yrs
|
30 (48.4)
|
95 (56.2)
|
0.29
|
|
9–10 yrs
|
32 (51.6)
|
74 (43.7)
| |
|
Sex (%)
|
|
Female
|
33 (53.2)
|
79 (46.7)
|
0.38
|
|
Male
|
29 (46.8)
|
90 (53.2)
| |
|
Ethnicity (%)
|
|
Caucasian
|
20 (32.2)
|
60 (35.5)
|
0.03
|
|
Mixed
|
5 (8.1)
|
24 (14.2)
| |
|
Asian
|
15 (24.2)
|
23 (13.6)
| |
|
Black
|
16 (25.8)
|
26 (15.4)
| |
|
Other
|
6 (9.7)
|
36 (21.3)
| |
|
Body mass index (kg/m2)
|
17.3 ± 2.9
|
17.5 ± 3.4
|
0.63
|
|
Body fat (%)
|
22.6 ± 7.0
|
21.5 ± 7.4
|
0.30
|
|
Hand grip (kg)
|
13.4 ± 3.8
|
13.0 ± 4.7
|
0.52
|
|
Sit and reach (cm)
|
23.2 ± 5.8
|
23.2 ± 16.9
|
0.98
|
|
Horizontal jump (cm)
|
110.4 ± 18.5
|
106.8 ± 20.7
|
0.23
|
|
Peak flow (l/min)a
|
204.9 ± 41.9
|
154.0 ± 55.7
|
0.001
|
|
Actigraph wear time (min/d)
|
715.2 ± 85.9
|
755.9 ± 83.9
|
0.001
|
|
Valid wear days
|
4.3 ± 1.5
|
4.7 ± 1.7
|
0.14
|
|
Total MVPA (min/d)
|
24.8 ± 12.3
|
30.1 ± 17.5
|
0.03
|
|
Total light activity (min/d)
|
337.6 ± 70.9
|
392.2 ± 56.9
|
0.001
|
|
Total sedentary (min/d)
|
352.7 ± 55.9
|
333.6 ± 75.4
|
0.07
|
|
School time MVPA (min/d)
|
14.1 ± 7.6
|
13.6 ± 7.5
|
0.69
|
|
School light activity (min/d)
|
158.7 ± 29.5
|
178.1 ± 31.1
|
0.001
|
|
School time sedentary (min/d)
|
187.2 ± 32.3
|
168.3 ± 32.2
|
0.001
|
- Data presented as mean ± SD unless stated
-
MVPA Moderate to vigorous physical activity
-
aage and height adjusted
