Table 1.
Descriptive data for the sample
| Characteristic | N* | Mean(SD) | %(n) |
|---|---|---|---|
| Individual level | |||
| Age (yr) | 7345 | 13.7 (1.4)^ | |
| Female | 7350 | 49.1 (3607) | |
| White | 7342 | 92.7 (6808) | |
| Overweight or obese | 2899 | 18.2 (527) | |
| Physically active (days/week) | 7279 | 4.0 (2.0) | |
| MVPA (hrs/week) | 6943 | 2.6 (2.3) | |
| Actively travelling to school | 7123 | 29.0 (2135) | |
| Actively travelling from school | 7059 | 36.3 (2560) | |
| Screen-based behaviour > 2 hours per weekday | 7376 | 84.9 (6259) | |
| Typical alcohol consumption ≥ 3 drinks | 7292 | 15.2 (1110) | |
| Smoke at least once a week | 7358 | 3.2 (237) | |
| Family Affluence Score | 7200 | 15.0 (2.3) | |
| School level | |||
| Free School Meal eligibility | 7376 | 15.9 (8.7) | |
| Lunch break duration ≥ 50 minutes | 7267 | 58.5 (4254) | |
| Existing food and fitness policy | 7302 | 73.0 (5329) | |
| Extra-curricular sports activities delivered by PE staff | 7376 | 97.8 (7210) | |
| PE curriculum time allocated each week ≥ 60 minutes | 7250 | 94.6 (6855) | |
| Number of sports facilities available after school | 7376 | 5.5 (2.2) | |
| Number of sports facilities available during lunch | 7376 | 5.2 (2.3) | |
* Number completing the survey item
^ 4 young people were outside of the 11-16 age range