Demographics and characteristics of the surveyed population (n=193)
| Mean or % | SD | Minimum | Maximum | |
| Age (years) (n=189) | 12.8 | 0.8 | 11 | 14 |
| Male (%) (n=183) | 56 | |||
| Ethnicity (%) (n=187) | ||||
| White | 21.1 | |||
| Asian (excluding Chinese) | 48.3 | |||
| Black/African–Carribean | 19.4 | |||
| Others | 11.1 | |||
| BMI (kg/m2) (n=121) | 20.8 | 4.2 | 14.0 | 36.4 |
| BMI for age percentile | ||||
| Male (n=72) | 61.9 | 31.5 | 1 | 100 |
| Female (n=49) | 64.0 | 27.3 | 1 | 100 |
| % Overweight (by BMI for age specific for gender) (n=121) | 9.1 | |||
| % Obese (by BMI for age specific for gender) (n=121) | 21.5 | |||
| Entitlement to free school meals (%) (n=183) | 61 | |||
| Weekly purchases at fast food outlets (%) (n=183) | ||||
| Everyday | 9.8 | |||
| 4–6 times | 9.8 | |||
| 2–3 times | 34.4 | |||
| Once a week | 27.9 | |||
| Less than once a week | 18.1 | |||
| Amount spent per visit (%) (n=184) | ||||
| Less than £2 | 47.8 | |||
| £2–£3 | 25.5 | |||
| More than £3 | 26.6 | |||
BMI, body mass index.