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Table 1 General characteristics of subjects

From: The effect of organisational system on self-rated depression in a panel of male municipal firefighters

General characteristics Total Depression Control P-value *
(N = 186) (N = 17) (N = 169)
Age        0.287
  29 3 (1.7) 0 0 4 2.4  
  30-39 78 41.9 4 23.5 74 43.8  
  40-49 79 42.5 11 64.7 68 40.2  
  50- 25 13.4 2 11.8 23 13.6  
  Subtotal 186 100 17 100 169 100  
Education        0.740
  -Middle school 4 2.2 0 0 4 2.5  
  High school 99 55 9 52.9 90 55.2  
  2-year university 36 20 5 29.4 31 19  
  4 –years college- 41 22.8 3 17.6 38 23.3  
  Subtotal 180 100 17 100 163 100  
Salary in a month        0.418
  <$2000 9 5 0 0 9 5.5  
  $2000-2999 73 40.8 7 43.8 66 40.5  
  $3000-3999 69 38.5 5 31.3 64 39.3  
  $4000- 28 15.6 4 25 24 14.7  
  Subtotal 179 100 16 100 163 100  
Marriage        0.815
  Married 162 87.6 15 88.2 147 87.5  
  Single 17 9.2 2 11.8 15 8.9  
  Divorced or seperated 6 3.2 0 0 6 3.6  
  Subtotal 185 100 17 100 168 100  
Working class        0.268
  Firefighter 26 (14.1) 2 11.8 24 14.3  
  Vice director 85 45.9 5 29.4 80 47.6  
  Director 59 31.9 8 47.1 51 30.4  
  Chief director 6 3.2 0 0 6 3.6  
  Above president 9 4.9 2 11.8 7 4.2  
  Subtotal 185 100 17 100 168 100  
Job content        0.721
  Administrative 49 26.8 5 29.4 44 26.5  
  Firefighting 81 44.3 6 35.3 75 45.2  
  Rescue (accident) 31 16.9 3 17.6 28 16.9  
  Emergency (health) 22 12 3 17.6 19 11.4  
  Subtotal 183 100 17 100 166 100  
Shiftwork        0.545
  None 38 20.7 2 13.3 36 21.3  
  3 shift 6 3.3 1 6.7 5 3  
  2 shift 44 23.9 5 33.3 39 23.1  
  1 shift for 24 hrs 96 52.2 7 46.7 89 52.7  
  Subtotal 184 100 15 100 169 100  
  1. *Chi-square test (P < 0.05).
  2. N(%).