Table 1.
Characteristics of whole study population.
| Primary schools (n = 163) n (%) | High school (n = 114) n (%) | Total (n = 277) n (%) | P value | |
|---|---|---|---|---|
| Sex | ||||
| Male | 68 (42) | 60 (53) | 128 (46) | 0.073 |
| Female | 95 (58) | 54 (47) | 149 (54) | |
| BMIa | ||||
| Normal | 90 (55) | 60 (53) | 150 (54) | 0.871 |
| Overweight | 44 (27) | 34 (30) | 78 (28) | |
| Obese | 29 (18) | 20 (18) | 49 (18) | |
| Increased waist circumferenceb | 46 (28) | 51 (45) | 97 (35) | 0.004 |
aBody mass index (BMI) = weight (kg)/height (m)2; Cole et al.'s [28] childhood-equivalent cut-points to an adult BMI of 25 and 30 were used to categorise BMI;
bMissing information for 1 youth; age and sex-specific cut-points as described by Jolliffe and Janssen [29] were used to classify central obesity (large waist circumference).