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Table 3 Dietary 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)
  mean ± SE  
Frequency of eating breakfast 4.40 ± 0.04a 4.39 ± 0.03a 4.27 ± 0.04b 4.36 ± 0.03 <0.01
Frequency of eating lunch 5.98 ± 0.03 6.03 ± 0.02 6.06 ± 0.03 6.02 ± 0.02 0.193
Frequency of eating dinner 5.98 ± 0.03a 5.86 ± 0.02b 5.70 ± 0.03c 5.86 ± 0.18 <0.001
  weighted % ± SE  
Frequency of eating vegetables during the past 7 days
 None 3.7 ± 0.2 3.3 ± 0.2 4.3 ± 0.3 3.7 ± 0.1 <0.05
 1–2 times 16.7 ± 0.5 17.1 ± 0.4 17.7 ± 0.5 17.1 ± 0.3  
 3–4 times 26.0 ± 0.6 24.4 ± 0.4 25.6 ± 0.6 25.2 ± 0.3  
 5–6 times 14.2 ± 0.4 14.9 ± 0.4 14.0 ± 0.5 14.5 ± 0.3  
 ≥1 time per day 39.4 ± 0.6 40.2 ± 0.6 38.4 ± 0.7 39.6 ± 0.4  
Frequency of eating fruits during the past 7 days
 None 8.2 ± 0.4 8.0 ± 0.3 8.3 ± 0.4 8.1 ± 0.2 0.293
 1–2 times 33.5 ± 0.7 31.6 ± 0.5 32.9 ± 0.7 32.5 ± 0.4  
 3–4 times 29.4 ± 0.6 30.2 ± 0.5 29.6 ± 0.6 29.8 ± 0.3  
 5–6 times 10.4 ± 0.4 11.1 ± 0.3 11.2 ± 0.4 10.9 ± 0.2  
 ≥1 time per day 18.6 ± 0.6 19.0 ± 0.5 18.0 ± 0.6 18.7 ± 0.4  
Frequency of milk consumption during the past 7 days
 None 17.5 ± 0.6 19.3 ± 0.5 23.7 ± 0.6 19.8 ± 0.4 <0.001
 1–2 times 24.1 ± 0.6 26.8 ± 0.6 29.0 ± 0.7 26.5 ± 0.4  
 3–4 times 21.3 ± 0.6 21.0 ± 0.4 20.5 ± 0.6 21.0 ± 0.3  
 5–6 times 14.2 ± 0.6 12.4 ± 0.4 11.3 ± 0.5 12.7 ± 0.3  
 ≥1 time per day 23.0 ± 0.6 20.6 ± 0.6 15.5 ± 0.6 20.1 ± 0.5  
Frequency of soda consumption during the past 7 days
 None 21.0 ± 0.6 25.9 ± 0.6 28.6 ± 0.7 25.0 ± 0.5 <0.001
 1–2 times 48.1 ± 0.6 49.5 ± 0.5 51.0 ± 0.7 49.4 ± 0.4  
 3–4 times 20.7 ± 0.5 17.8 ± 0.5 14.7 ± 0.5 17.9 ± 0.4  
 5–6 times 5.5 ± 0.3 3.7 ± 0.2 3.1 ± 0.3 4.1 ± 0.2  
 ≥1 time per day 4.7 ± 0.3 3.2 ± 0.2 2.5 ± 0.2 3.5 ± 0.2  
Frequency of fast-food consumption during the past 7 days
 None 20.8 ± 0.5 22.2 ± 0.4 22.3 ± 0.6 21.8 ± 0.3 <0.01
 1–2 times 61.3 ± 0.6 61.5 ± 0.5 61.6 ± 0.7 61.5 ± 0.4  
 3–4 times 13.9 ± 0.4 13.5 ± 0.4 13.5 ± 0.5 13.6 ± 0.3  
 5–6 times 2.5 ± 0.2 1.8 ± 0.1 1.6 ± 0.2 2.0 ± 0.1  
 ≥1 time per day 1.5 ± 0.2 1.0 ± 0.1 1.0 ± 0.1 1.1 ± 0.1  
  1. Different letters in superscript indicate significant differences in mean values
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