Table 2.
Self-reported weight control attempts and weight control behaviors by body image perception among normal weight high school students
| Under-estimation | Correct estimation | Over-estimation | Total | P-value | |
|---|---|---|---|---|---|
| (n = 5,990) | (n = 9,387) | (n = 4,887) | (n = 20,264) | ||
| Self-reported weight control attempt during the past 30 days | |||||
| Doing nothing to control weight | 66.5 ± 0.6 | 54.5 ± 0.7 | 40.3 ± 0.7 | 54.8 ± 0.6 | <0.001 |
| Making an effort to lose weight | 9.1 ± 0.4 | 30.6 ± 0.8 | 49.6 ± 0.7 | 28.6 ± 0.7 | |
| Making an effort to gain weight | 18.4 ± 0.6 | 2.7 ± 0.2 | 0.4 ± 0.1 | 6.9 ± 0.3 | |
| Making an effort to maintain weight | 5.9 ± 0.3 | 12.1 ± 0.3 | 9.8 ± 0.4 | 9.7 ± 0.2 | |
| Weight control behaviors | (n = 2,024) | (n = 4,309) | (n = 2,925) | (n = 9,258) | |
| Doing regular exercise | 70.0 ± 0.9 | 69.3 ± 0.8 | 66.1 ± 0.9 | 68.5 ± 0.5 | <0.01 |
| Fasting (≥24 h) | 5.4 ± 0.5 | 8.6 ± 0.5 | 10.4 ± 0.6 | 8.5 ± 0.3 | <0.001 |
| Eating less | 29.1 ± 1.4 | 73.4 ± 1.0 | 88.0 ± 0.7 | 68.1 ± 1.1 | <0.001 |
| Taking prescription weight loss medication | 1.3 ± 0.2 | 1.0 ± 0.2 | 1.6 ± 0.2 | 1.3 ± 0.1 | 0.085 |
| Taking non-prescription weight loss medication | 1.4 ± 0.2 | 1.5 ± 0.2 | 3.2 ± 0.3 | 2.0 ± 0.1 | <0.001 |
| Taking laxatives or diuretics | 1.8 ± 0.3 | 2.1 ± 0.2 | 3.3 ± 0.3 | 2.4 ± 0.2 | <0.01 |
| Vomiting | 2.0 ± 0.3 | 2.3 ± 0.2 | 3.5 ± 0.3 | 2.6 ± 0.2 | <0.01 |
| Eating one-food diet | 2.9 ± 0.3 | 6.7 ± 0.4 | 9.5 ± 0.5 | 6.7 ± 0.3 | <0.001 |
| Taking Chinese medicine | 7.8 ± 0.6 | 3.0 ± 0.3 | 3.1 ± 0.3 | 4.1 ± 0.2 | <0.001 |
| Eating food substitute | 3.7 ± 0.4 | 8.0 ± 0.4 | 12.8 ± 0.7 | 8.5 ± 0.3 | <0.001 |
Weighted % ± SE