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Table 2 Self-reported weight control attempts and weight control behaviors by body image perception among normal weight high school students

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

  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
  1. Weighted % ± SE