Table 2. Association between body composition indices, energy expenditure, total sitting time during media consumption and physical activity status of school children (N = 180).
| Mild (n=40; 22.2%) (≤ 500 METs-min/ week) |
Moderate (n=35; 19.4%) (500–2500 METs-min/ week) |
Active (n=105; 58.3%) ( ≥ 2,500 METs-min/ week) |
||||
|---|---|---|---|---|---|---|
| Boys (n=10) | Girls (n=30) | Boys (n=15) | Girls (n=20) | Boys (n=65) | Girls (n=40) | |
| BMI (kg/m2) | 30.4 ± 4.2 | 26.9 ± 6.4 | 25.3 ± 2.6** | 24.1 ± 2.4** | 21.8 ± 1.3** | 22.6 ± 2.4** |
| Waist (cm) | 112 ± 7.9 | 102 ± 27.9 | 85 ± 18.5** | 98 ± 5.8** | 65 ± 16.5** | 81 ± 4.5** |
| Hips (cm) | 98 ± 7.5 | 88.5 ± 8.9 | 100 ± 9.1** | 81.5 ± 5.4 ** | 85 ± 6.3** | 78.6 ± 2.3** |
| WHtR | 0.59 ±0.09 | 0.62 ± 0.05 | 0.49 ± 0.06** | 0.48 ± 0.03** | 0.44 ± 0.08** | 0.45 ± 0.06** |
| BMR (kcal/day) | 1,410 ± 45.3 | 1,542 ± 38.5 | 1,761 ± 76 ** | 1,545 ± 76.2** | 1,735 ± 88.5** | 1486 ± 75.8** |
| TEE (kcal/day) | 1,765 ± 120.8 | 1,786 ± 98.5 | 2,560 ± 252** | 2,320 ± 314.5** | 2,850 ± 314.5** | 2690 ± 180.5** |
| Television Viewing (h/d) | 2.9 ± 1.3 | 3.6 ± 0.96 | 2.6 ± 0.96** | 3.1 ± 0.85** | 1.9 ± 0.73** | 2.6 ± 0.81** |
| Computer usage (h/d) | 3.5 ± 0.89 | 3.4 ± 0.85 | 2.8 ± 0.88** | 3.0 ± 0.83** | 1.85 ± 0.83** | 2.3 ± 0.75** |
| TMST (h/d) | 3.1 ± 1.5 | 3.9 ± 1.6 | 2.6 ± 2.7** | 3.2 ± 0.56** | 1.66 ± 1.3** | 2.7 ± 1.6** |
Data expressed as mean ±SD; p < 0.05, ** p < 0.01; *** p < 0.001. BMR: basal metabolic rate (kcal/day); TEE: total energy expenditure (kcal/day); TMST: total media sitting time