Variable     H. pylori infection  
    Negative Positive P
    No % No % value
  14 - 20 y 8 66.7 4 33.3  
  21 - 35 y 46 48.9 48 51.1  
Age   36 - 50 y 22 50.0 22 50.0 0.832
  >51 y 16 57.1 12 42.9  
  Male 62 54.4 52 45.6  
Sex   Female 30 46.9 34 53.1 0.323
  35 - 50 2 12.5 14 87.5  
  51 - 66 46 57.5 34 42.5 0.125
Weight  67 - 82 40 52.6 36 47.4  
  83 - 98 4 66.7 2 33.3  
  Married 76 50.7 74 49.3  
Marital status   Single 16 57.1 12 42.9 0.440
Table 1: Personal factors: Age, sex, weight, marital status with respect to H. pylori prevalence.
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