Factor Categories No. examined Positive (prevalence- %) OR 95% CI χ2/Fisher’s exact p-value
Sex Female 241 140 (58.09) 1 2.265- 6.234 28.145 0.000
Male 149 125 (83.89) 3.757
Age Young 178 134 (74.45) 1.883 1.214-2.921 8.083 0.004
Adult 212 131 (61.79) 1
Breed Local 265 232 (87.55) 19.600 11.427-33.618 1.458 0.000
Exotic 125 33 (26.4) 1
Management Extensive 303 265 (87.46) - - 2.37 0.000
Semi-intensive 87 0 -
  Total 390 265 (67.95)        
Table 2: Prevalence of chicken ectoparasite and its association with hypothesized risk factors.