Table 1 Characteristics of boys by waist-to-height ratio
Variables | Waist-to-height ratio | P-value a | |
|---|---|---|---|
<0.5 (n =878) | ≥0.5 (n =92) | ||
Age (years) | 12.0 (12.0, 13.0) | 12.0 (12.0, 13.0) | 0.165 |
Height (cm) | 154.7 (148.4, 160.0) | 156.1 (151.3, 161.4) | 0.063 |
Weight (kg) | 42.5 (37.4, 47.8) | 60.3 (55.1, 70.0) | <0.001 |
Body mass index (kg/m2) | 17.7 (16.5, 19.1) | 25.1 (23.1, 27.4) | <0.001 |
Waist circumference (cm) | 62.6 (59.5, 66.3) | 84.9 (79.6, 91.9) | <0.001 |
Waist-to-height ratio | 0.40 (0.39, 0.43) | 0.54 (0.51, 0.58) | <0.001 |
Exercise, n (%) | |||
Daily | 759 (86.5) | 67 (72.8) | 0.001 |
Sometimes | 58 (6.6) | 10 (10.9) | |
None | 61 (7.0) | 15 (16.3) | |
Skipping breakfast, n (%) | |||
Yes | 41 (4.7) | 3 (3.3) | 0.791 |
No | 837 (95.3) | 89 (96.7) | |
Snack after dinner, n (%) | |||
Always or sometimes | 486 (55.4) | 3 (3.3) | 0.434 |
Seldom or none | 392 (44.7) | 89 (96.7) | |
Eating quickly, n (%) | |||
Yes | 218 (24.8) | 37 (40.2) | 0.001 |
No | 660 (75.2) | 55 (59.8) | |
Eating until full, n (%) | |||
Yes | 461 (52.5) | 54 (58.7) | 0.258 |
No | 417 (47.5) | 38 (41.3) | |