Table 1.
General characteristics of the study population
| |
Total |
Boys |
Girls |
|||
|---|---|---|---|---|---|---|
| n | Mean±SD | n | Mean±SD | n | Mean±SD | |
|
Age (years) |
76 |
8.6 ± 1.4 |
32 |
8.5 ± 1.4 |
44 |
8.6 ± 1.4 |
|
Body height (cm) |
76 |
137.4 ± 9.6 |
32 |
137.8 ± 9.5 |
44 |
137.1 ± 9.9 |
|
Body weight (kg) |
76 |
34.8 ± 10.5 |
32 |
34.6 ± 9.9 |
44 |
34.9 ± 11.1 |
| |
n |
% |
n |
% |
n |
% |
| BMI Category |
|
|
|
|
|
|
| Normal |
53 |
69.7 |
24 |
75.0 |
29 |
65.9 |
| Overweight |
14 |
18.4 |
4 |
12.5 |
10 |
22.7 |
| Obese |
9 |
11.8 |
4 |
12.5 |
5 |
11.4 |
| Location of school |
|
|
|
|
|
|
| Haarlem |
8 |
10.5 |
2 |
6.3 |
6 |
13.6 |
| Amersfoort |
21 |
27.6 |
11 |
34.4 |
10 |
22.7 |
| Amersfoort (2) |
9 |
11.8 |
3 |
9.4 |
6 |
13.6 |
| Hengelo |
20 |
26.3 |
10 |
31.3 |
10 |
22.7 |
| Vlaardingen |
8 |
10.5 |
4 |
12.5 |
4 |
9.1 |
| Rotterdam | 10 | 13.2 | 2 | 6.3 | 8 | 18.2 |