Table 5.
Predictors of subjects with body image overestimation (n = 4,887) 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 | 1.08 (0.98, 1.19) | 0.109 |
| 3rd year | 1.27 (1.16, 1.39)*** | <0.001 |
| Gender | ||
| Male | 1.00 | |
| Female | 3.52 (3.25, 3.81)*** | <0.001 |
| Socio-economic status | ||
| Low | 1.00 | |
| Lower middle | 1.05 (0.87, 1.26) | 0.820 |
| Middle | 0.79 (0.66, 0.94)** | 0.003 |
| Upper middle | 0.80 (0.66, 0.97)** | 0.002 |
| High | 0.73 (0.58, 0.93)** | 0.005 |
| Unhealthy weight control behaviors | ||
| No | 1.00 | |
| Yes | 1.54 (1.37, 1.72)*** | <0.001 |
| Feeling sad or despair | ||
| No | 1.00 | |
| Yes | 1.25 (1.16, 1.35)*** | <0.001 |
| Suicidal ideation | ||
| No | 1.00 | |
| Yes | 1.20 (1.08, 1.33)** | .001 |
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 < 0.01, ***P < 0.001 significantly different according to the logistic regression model