Table 1.
Characteristics of study participants
| Characteristics at baseline | Total (445) | Boys (213) | Girls (232) |
|---|---|---|---|
| Age (year) | 13.8 (± 1.6) | 13.7 (± 1.5) | 13.9 (± 1.6) |
| Body mass index (kg/m2) | 20.9 (± 3.5) | 20.7 (± 3.5) | 21.03 (± 3.5) |
| KIDMED index | 7.21 (± 2.0) | 7.11 (± 2.1) | 7.3 (± 1.8) |
| Moderate-to-vigorous physical activity (min/day) | 56.5 (± 20.6) | 62.3 (± 19.8) | 51.1 (± 19.9)* |
| Socioeconomic Status | 6.5 (± 1.6) | 6.6 (± 1.5) | 6.8 (± 1.5) |
| Pubertal status A: ≤ III/IV/V (%) | 46/43/11 | 54/35/11 | 38/51/11 |
| Pubertal status B: ≤ III/IV/V (%) | 32/49/19 | 39/50/11 | 26/48/26 |
| Cardiovascular health behaviors | |||
| Nonsmokers, n (%) | 416 (93) | 197 (92) | 222 (95) |
| Non-overweight, n (%) | 329 (73) | 163 (76) | 168 (72) |
| Physically active, n (%) | 147 (33) | 96 (44) | 52 (22)* |
| Healthy diet, n (%) | 207 (46) | 97 (45) | 111 (47) |
*Significantly different from girls (p < 0.05)
Pubertal stage A, breast development in girls; genital development in boys. Pubertal stage B, pubic hair development