Table 6.
Predictors of subjects with body image underestimation (n = 5,990) compared to subjects with correct body image estimation (n = 9,387)
| Variables | Adjusted OR (95 % CI) | P-value |
|---|---|---|
| Year of high school | ||
| 1st year | 1.00 | |
| 2nd year | 0.83 (0.77, 0.89)*** | <0.001 |
| 3rd year | 0.79 (0.73, 0.86)*** | <0.001 |
| Gender | ||
| Male | 1.00 | |
| Female | 0.23 (0.21, 0.25)*** | <0.001 |
| Socio-economic status | ||
| Low | 1.00 | |
| Lower middle | 1.07 (0.88, 1.30) | 0.276 |
| Middle | 0.91 (0.77, 1.09) | 0.445 |
| Upper middle | 1.07 (0.88, 1.29) | 0.398 |
| High | 1.07 (0.86, 1.32) | 0.399 |
| Unhealthy weight control behaviors | ||
| No | 1.00 | |
| Yes | 0.50 (0.43, 0.59)*** | <0.001 |
| Feeling sad or despair | ||
| No | 1.00 | |
| Yes | 1.12 (1.03, 1.21)* | 0.026 |
| Suicidal ideation | ||
| No | 1.00 | |
| Yes | 1.12 (1.00, 1.25)* | 0.015 |
Unhealthy weight control behaviors included 1) fasting (≥24 h), 2) taking non-prescription weight loss medication, 3) taking laxatives or diuretics, 4) vomiting, 5) eating a one-food diet, and 6) eating food substitute
Statistical analysis of weighted data with adjustment for complex survey design
* P < 0.05, ***P < 0.001 significantly different according to the logistic regression model