| N | % |
---|---|---|
Sex | Â | Â |
 Male | 3381 | 48.5 |
 Female | 3590 | 51.5 |
Age (years) | Â | Â |
 13 | 33 | 0.5 |
 14 | 2339 | 33.6 |
 15 | 3280 | 47.1 |
 16 | 1319 | 18.9 |
Family affluence scale | Â | Â |
 Low | 560 | 8.0 |
 Moderate | 2531 | 36.3 |
 High | 3880 | 55.7 |
Weight status | Â | Â |
 Non-overweight | 4823 | 69.2 |
 Overweight | 1018 | 14.6 |
 Obese | 346 | 5.0 |
 Missing data | 784 | 11.3 |
Where students eat mid-day meal | Â | Â |
 At school | 4719 | 67.7 |
 At home | 1056 | 15.2 |
 In a snack-bar, fast food restaurant or café | 517 | 7.4 |
 Never eat a midday meal | 307 | 4.4 |
 Somewhere else | 209 | 3.0 |
 At someone else’s home | 163 | 2.3 |