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Table 6 Predictors of subjects with body image underestimation (n = 5,990) compared to subjects with correct body image estimation (n = 9,387)

From: The association of body image distortion with weight control behaviors, diet behaviors, physical activity, sadness, and suicidal ideation among Korean high school students: a cross-sectional study

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
  1. 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
  2. Statistical analysis of weighted data with adjustment for complex survey design
  3. * P < 0.05, ***P < 0.001 significantly different according to the logistic regression model