Table 2 Means (Standard Deviations) for EDI-3 Subscales and Percentage for Weight-Related Concerns and Behaviors among Chinese Adolescents
|  | Boys (n = 1525) | Girls (n = 2019) | Total (n = 3544) | t or χ2 |
|---|---|---|---|---|
EDI subscale | ||||
   B | 1.7 ± 2.3 | 3.4 ± 2.5 | 2.7 ± 2.6 | -19.96*** |
   B ≥ 5 | 14.0% | 34.7% | 25.8% | 194.71*** |
   ID | 8.9 ± 3.2 | 9.9 ± 3.3 | 9.5 ± 3.3 | -8.83*** |
   ID ≥ 11 | 28.0% | 42.4% | 36.2% | 77.46*** |
   P | 5.6 ± 2.6 | 5.8 ± 2.3 | 5.7 ± 2.4 | -2.88** |
   P ≥ 10 | 5.1% | 5.0% | 5.0% | 0.048 |
   MF | 3.9 ± 2.2 | 4.4 ± 2.0 | 4.2 ± 2.1 | -7.41*** |
   MF ≥ 6 | 22.7% | 28.7% | 26.1% | 16.16*** |
   DT | 2.3 ± 2.9 | 4.2 ± 3.1 | 3.4 ± 3.2 | -18.94*** |
   BD | 2.1 ± 2.5 | 2.5 ± 2.5 | 2.3 ± 2.5 | -4.81*** |
   LSE | 1.0 ± 1.5 | 1.3 ± 1.6 | 1.2 ± 1.5 | -4.99*** |
Weight control concerns (Ever considered of it) | Â | Â | Â | |
   Avoid ate sweet foods | 32.9% | 47.3% | 35.0% | 74.29*** |
   Avoid ate fatty foods | 46.4% | 71.8% | 71.8% | 235.13*** |
   Skip staple food | 7.0% | 18.5% | 13.6% | 98.07*** |
   Exercise | 50.4% | 71.7% | 62.5% | 167.33*** |
   Diet pills, foods or tea | 5.3% | 17.2% | 12.1% | 116.29*** |
   Surgery | 2.0% | 4.5% | 3.5% | 16.05*** |
   Smoking | 1.5% | 1.3% | 1.4% | 0.31 |
   Dieting | 9.4% | 30.0% | 21.1% | 222.02*** |
Weight control behaviors | Â | Â | Â | Â |
   Avoid ate sweet foods | 27.5% | 36.7% | 32.7% | 33.44*** |
   Avoid ate fatty foods | 34.1% | 56.6% | 46.9% | 174.55*** |
   Skip staple food | 5.9% | 15.9% | 11.6% | 85.36*** |
   Excessive exercise | 44.1% | 69.5% | 58.6% | 232.26*** |
   Diet pills | 4.1% | 15.9% | 10.8% | 127.62*** |
   Diet foods or tea | 2.4% | 6.2% | 4.6% | 28.30*** |
   Surgery | 1.7% | 4.4% | 3.2% | 19.81*** |
   Smoking | 1.1% | 1.0% | 1.1% | 0.04 |
   Dieting | 7.0% | 27.2% | 18.5% | 235.05*** |