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Table 3 Univariable logistic regression analysis of potential risk factors for T. gondii seropositivity in study districts

From: Seroepidemiological study of ovine toxoplasmosis in East and West Shewa Zones of Oromia Regional State, Central Ethiopia

Risk factors category Na Prevalence (%) Crude OR (95% CI) P-value
Altitude Low land 509 13.36 1.00  
  Mid land 346 46.24 5.58 (3.79, 8.22) <0.001
  High land 275 46.91 5.73 (3.72, 8.82) <0.001
Breed Afar 506 13.44 1.00  
  Arsi Bale 242 44.81 5.23 (3.42, 8.00) <0.001
  Horro 383 47.26 5.77 (3.89, 8.56) <0.001
Sex Male 211 19.43 1.00  
  Female 919 34.39 2.17 (1.49, 3.16) <0.001
Age Young 235 17.02 1.00  
  Adult 895 35.42 2.67 (1.86, 3.85) <0.001
Flock Size Large (n ≥ 50) 100 4.00 1.00  
  Small (n < 50) 1030 34.17 12.51(4.93, 31.78) <0.001
Management type Extensive 905 28.40 1.00  
  SI 225 44.44 2.02 (1.35, 3.01) 0.001
Residential place Rural 853 30.01 1.00  
  Urban 277 36.46 1.34 (0.92, 1.95) 0.129
Source of water Mixedb 81 6.17 1.00  
  Stagnantc 167 32.34 7.26 (2.42, 21.84) <0.001
  River 825 33.33 7.6 (2.81, 20.57) <0.001
  Tap 57 40.35 10.28 (2.96, 35.71) <0.001
Grazing land Mixed 353 22.38 1.00  
  Plain area 585 32.14 1.64 (1.06, 2.54) 0.026
  Mountainous 192 46.88 3.06 (1.82, 5.15) <0.001
Presence of cats No 539 27.64 1.00  
  Yes 591 35.19 1.42 (1.00, 2.02) 0.051
Presence of wild felids Yes 804 27.99 1.00  
  No 326 40.49 1.75 (1.23, 2.48) 0.002
Farming system Pastoral 195 7.18 1.00  
  Agro-pastoral 310 17.42 2.73 (1.40, 5.33) 0.003
  Sedentary 625 46.24 11.12 (5.99, 20.64) <0.001
  1. a Total number of sheep tested, b mixed = river, well, lake, pond; Stagnant c = pond, well, lake.
  2. Abbreviation: SI semi-intensive.
  3. Factors associated with T. gondii seropositivity in study districts with their frequency (N), % Prevalence, crude odds ratio (cOR) and corresponding 95% confidence interval (95% CI) in the univariable logistic regression analysis (using 1130 sheep sera from 3 districts and 227 flocks).