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Table 3 Results of univariable analysis of potential risk factors associated with Toxoplasma gondii seropositivity

From: First report on seroepidemiology of Toxoplasma gondii infection in pigs in Central Ethiopia

Variable category Number tested Test Pos. (%) χ2 P value Univariable OR (95% CI) P value
Origin    33.9 <0.001   
  Bishoftu 246 56 (22.8)    1.0  
  Ambo 57 19 (33.3)    1.7 (0.91-3.17) 0.098
  Akaki Kaliti 24 11 (45.8)    2.87 (1.22-6.76) 0.016
  Kolfe Keraniho 75 43 (57.3)    4.56 (2.64-7.87) <0.001
Sex    0.43 0.511   
  Female 240 74 (30.8)    1.0  
  Male 162 55 (34.0)    1.15 (0.75-1.76) 0.511
Age    2.27 0.039   
  <12 months 170 45 (26.5)    1.0  
  ≥12 months 232 84 (36.2)    1.58 (1.02-2.43) 0.039
Management    2.18 0.140   
  Intensive 334 102 (30.5    1.0  
  Extensive 68 27 (39.7)    1.5 (0.87-2.57) 0.142
Presence of cats    0.03 0.864   
  No 61 19 (31.2)    1.0  
  Yes 341 110 (32.3)    1.05 (0.58-1.89) 0.864
Presence of dogs    16.2 <0.001   
  No 157 32 (20.4)    1.0  
  Yes 245 97 (39.6)    2.56 (1.61-4.08) <0.001
Housing of domestic cats    0.26 0.607   
  Totally outdoor 138 42 (30.4)    1.0  
  Mixed* 264 87 (33)    1.12 (0.72-1.75) 0.607
Pig feed type    26.96 <0.001   
  Without animal product 327 86 (26.3)    1.0  
  With animal product 75 43 (57.3)    3.77 (0.24-6.33) <0.001
Access to cadaver    10.22 0.001   
  No 230 59 (25.7)    1.0  
  Yes 172 70 (40.7)    1.99 (1.30-3.04) 0.001
Water source    0.28 0.599   
  Pipe 333 105 (31.5)    1.0  
  Mixed** 69 24 (34.8)    1.16 (0.67-2.0) 0.599
Rodent presence    1.35 0.245   
  No 12 2 (16.7)    1.0  
  Yes 390 127 (32.6)    2.41 (0.52-1.18) 0.260
  1. * = indoor and outdoor, ** = pipe, river and pond.