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Table 1 Basic characteristics of study participants

From: Severe obesity, emotions and eating habits: a case-control study

  Study group Control group Significance (χ2-test)
Subject status 112 262  
• No answer 5 (m = 1, f = 4) 22 (m = 8, f = 14)  
• Dropped out 37 (m = 9, f = 28) 61 (m = 18, f = 43)  
• Agreed 75 (m = 22, f = 53) 179 (m = 67, f = 112)  
Age during psychiatric examination    
• 20-24 - 0.6%  
• 25-29 1.4% 0.6%  
• 30-34 - 0.6%  
• 35-39    
• 40-44 - 1.2%  
• 45-49 4.3% 2.9%  
• 50-54 14.5% 9.4%  
• 55-59 31.9% 27.1%  
• 60-64 43.5% 48.8%  
• 65-69 4.3% 8.8%  
BMI    
• ≤24.9 1.3% 34.3%  
• 25.0-29.9 4.0% 47.3%  
• 30.0-34.9 18.7% 14.2%  
• 35.0-39.9 37.3% 3.6%  
• 40.0≥ 38.7% 0.6%  
Marital status    p = 0.0894
• Unmarried 10.7% 15.7%  
• Married 62.7% 59.6%  
• Widowed 14.7% 13.5%  
• Divorced 6.7% 10.7%  
• Common-law marriage 5.3% 0.6%  
Basic education    p = 0.2457
• Primary school 89.3% 90.4%  
• Lower secondary school 6.7% 2.2%  
• High school - 2.2%  
• Other 4% 3.9%  
Occupational category n = 22 (m)
n = 53 (f)
n = 66 (m)
n = 112 (f)
p = 0.901 (m)
p = 0.5930 (f)
• Technical, scientific, sociological, and artistic work m = 0%
f = 0%
total = 0%
m = 0%
f = 4.5%
total = 2.2%
 
• Accounting and clerical work m = 4.5%
f = 5.7%
total = 5.1%
m = 1.5%
f = 2.7%
total = 2.1%
 
• Commercial work m = 4.5%
f = 17.0%
total = 10.8%
m = 4.5%
f = 10.7%
total = 7.6%
 
• Agricultural, forestry, and fishing m = 0%
f = 7.5%
total = 3.7%
m = 3.0%
f = 7.1%
total = 5.1%
 
• Transport and communication work m = 27.3%
f = 7.5%
total = 17.4%
m = 24.2%
f = 4.5%
total = 14.3%
 
• Industrial work m = 50.1%
f = 17.0%
total = 33.5%
m = 48.6%
f = 21.4%
total = 35.0%
 
• Service work m = 13.6%
f = 45.3%
total = 29.5%
m = 18.2%
f = 49.1%
total = 33.7%
 
• Total m = 100%
f = 100%
total = 100%
m = 100%
f = 100%
total = 100%
 
Social classification • According to Bruun’s social classification   p = 0.050 (m)
p = 0.936 (f)
• I = First social class 4.2% 2.3%  
• II = Second social class 12.5% 17.7%  
• IIII = Third social class 50.0% 57.7%  
• IV = Fourth social class 33.3% 22.3%  
  1. m male
  2. f female