Variables Number examined Number of positive sample Prevalence (%)  χ2 P-value
Origin       3.5408 0.060
  Addis Ababa 151 83 54.97    
  Bishoftu 239 108 45.19    
Age       1.8628 0.394
  Piglet 48 16 33.33    
  Grower 41 27 65.85    
  Adult 301 148 49.17    
Sex       0.0636 0.801
  Female 218 108 49.54    
  Male 172 83 48.26    
Table 2:Overall prevalence of pig GIT parasites ova/ oocyst in relation to origin, age and sex, NB: For origin, df=1, age, df=2, sex, df=1; df=degree of freedom