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Table 4 Univariable analysis results of potential risk factors associated with sero-positivity of goat population against Brucella spp.

From: Sero-epidemiology and associated risk factors of brucellosis among sheep and goat population in the south western Nepal: a comparative study

Determinants Total no of goats Brucella Positive Brucella Negative Odds Ratios (OR) 95% CI P value
Animal Origin
 Purchased 105 2 103 1.2 0.11, 26.11 0.87
 Homebred 172 1 171 Ref   
Age (median = 2 years)
  ≤ 2 194 3 191 3.1 0.16, 59.74 0.12
  > 2 83 0 83 Ref   
Herd size (median = 48)
  ≤ 48 140 3 137 7 0.36, 136.8 0.06
  > 48 137 0 137 Ref   
Parity (median = 1)
  ≤ 1 113 3 110 6.5 0.33, 127.2 0.04*
  > 1 102 0 102 Ref   
Gender
 Female 211 3 209 2.19 0.112, 42.9 0.34
 Male 65 0 65 ref   
Grazing
 Yes 92 3 89 14.5 1.1, 283.9 0.01*
 No 185 0 185 Ref   
Repeat breeding
 Yes 42 1 41 2.1 0.18, 23.28 0.29
 No 171 2 169 Ref   
  1. *P value< 0.05 means statistically significant