Table 1.
Distribution of the student sample according to individual-level variables (N = 18,875)
| N | % | |
|---|---|---|
|
Gender |
|
|
| Male |
9051 |
48 |
| Female |
9824 |
52 |
|
Grade |
|
|
| ≤6 |
3697 |
20 |
| 7 |
3576 |
19 |
| 8 |
3854 |
20 |
| 9 |
3960 |
21 |
| ≥10 |
3788 |
20 |
|
Family affluence |
|
|
| Low |
494 |
3 |
| Moderate |
5889 |
36 |
| High |
12492 |
61 |
|
Physical activity at school |
|
|
| Low (<2 hours/week) |
5329 |
28 |
| Medium (2–5 hours/week) |
6076 |
32 |
| High (≥6 hours/week) | 7470 | 40 |