Table 1.
Subjects characteristics (n=304).
| All (n=304) | Female (n=181, 60%) | Male (n=123, 40%) | p | ||||
|---|---|---|---|---|---|---|---|
| Grade, n (%) | 0.52 | ||||||
| 1st | 126 | (41) | 76 | (42) | 50 | (41) | |
| 2nd | 91 | (30) | 50 | (28) | 41 | (33) | |
| 3rd | 87 | (29) | 55 | (30) | 32 | (26) | |
| Height (cm), means ±SD | 158.1 | ±7.5 | 155.6 | ±5.6 | 161.9 | ±8.4 | <0.01 |
| Weight (kg), means ±SD | 46.8 | ±7.4 | 45.8 | ±6.7 | 48.3 | ±8.1 | <0.01 |
| (Current weight – Ideal weight)/Ideal weight (%), means ±SD | −5.9 | ±10.2 | −6.1 | ±10.7 | −5.7 | ±9.5 | 0.73 |
| Current body size*,means ±SD | 4 | ±1.0 | 4.3 | ±1.1 | 3.7 | ±0.9 | <0. 01 |
| Ideal body size*,means ±SD | 3.7 | ±0.8 | 3.4 | ±0.7 | 4.1 | ±0.7 | <0.01 |
| Current – Ideal*, n (%) | <0.01 | ||||||
| 1< | 49 | (16) | 45 | (25) | 4 | (3) | |
| 1 or 0 | 255 | (84) | 136 | (75) | 119 | (97) | |
| Extracurricular activities, n (%) | <0.01 | ||||||
| Sports | 185 | (61) | 95 | (53) | 90 | (73) | |
| Non-physical | 63 | (21) | 55 | (31) | 8 | (7) | |
| None | 54 | (18) | 29 | (16) | 25 | (20) | |
| Numbers of skipping breakfast, n (%) | 0.88 | ||||||
| At least once in a week | 38 | (13) | 23 | (13) | 15 | (12) | |
| None | 265 | (87) | 157 | (87) | 108 | (88) | |
| Calorie-restricted diet, n (%) | <0.01 | ||||||
| Yes | 32 | (11) | 31 | (17) | 1 | (1) | |
| Never | 272 | (89) | 111 | (83) | 114 | (99) | |
| Self-esteem, means ± SD | |||||||
| Total score (min 4-max 20) | 13.3 | ±3 | 13.2 | ±3.1 | 13.5 | ±2.8 | 0.28 |
| Physical symptoms, means ± SD | |||||||
| Total score (min 4-max 12) | 7.5 | ±2.1 | 7.6 | ±2.1 | 7.3 | ±2.1 | 0.32 |
| Psychological symptoms, means ± SD | |||||||
| Total score (min 4-max 8) | 5 | ±1.6 | 5.1 | ±1.6 | 4.9 | ±1.6 | 0.48 |
*
Participants chose the drawing numbers that best matched their current and their ideal body sizes from 1 (smallest) to 8 (largest).