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Table 1 Univariable logistic regression analysis (adjusted for herd effect) to select forward factor for final model contributing to C. burnetii distribution in dairy cattle and slaughter cattle of Jimma, Ethiopia (n = 227; 195 respectively)

From: Seroprevalence of and risk factors for Q fever in dairy and slaughterhouse cattle of Jimma town, South Western Ethiopia

Variable Category No tested Prevalence (%) 95%CI OR(95% CI) P- value
Lower Upper
Agea In years 227 14 (6.17) 3.41 10.13 1.33(1.04–1.69) 0.021
Sex Male 4 3(75.0) 19.41 99.37 57.25(10.29, 318.50) 0.000
Female 223 11(4.93) 2.49 8.65 1
breed local 7 1(14.29) 0.36 57.87 2.71(0.21, 34.95) 0.444
Crossholisten 220 13(5.91) 3.18 9.89 1
BCSb Ordinal scale 57 2(3.51) 0. 43 12.11 1 0.243
Multiage mix No 115 8(6.96) 3.05 13.25 1.33(0.52,3.43) 0.548
Yes(ref) 112 6(5.36) 1.99 11.30 1
MultiSpecies mix yes 203 14(6.90) 3.82 11.30 0.000
No 24 0(0.0) 0.00 14.25 1
Tick infest No (Ref) 123 7(5.69) 2.32 11.37 1 0.746
Yes 104 7(6.73) 3.30 13.25 1.21(0.08, 18.30)
Herd sizec Continuous scale 227 14 (6.17) 3.41 10.13 1.01(0.99, 1.03) 0.163
Contact other herd No 206 12(5.83) 3.05 9.95 1 0.477
yes 21 2(9.52) 1.17 30.38 1.71(0.38, 7.51)
Management system Intensive 129 6(4.65) 1.73 9.85 1 0.170
Semi-intensive 98 8(8.16) 3.59 15.45 1.84(0.77,4.41
Presence nuisance animals (dog,cat, mice…) No 70 3(4.29) 0.89 12.02 1 0.314
Yes 157 11(7.01) 3.55 12.19 1.71(0.60,4.82)  
Total cattle 227 14 (6.17) 3.41 10.13   
Female data (n = 223)
Animal aborted No(ref) 191 9(4.71) 2.18 8.76 1 0.722
Yes 32 2(6.25) 0.77 20.71 1.35(0.26, 6.98)
Parity Heifer (ref) 65 2(3.08) 0.37 10.68 1  
Perimiparous 42 3(7.14) 1.50 19.48 2.43(0.26, 22.34) 0.435
Multiparous 116 6(5.17) 2.39 10.83 1.72(0.39,7.62) 0.476
Slaughterhouse data (n = 195)
Age In years 195 23 (11.79) 7.63 17.17 6.93(3.51, 13.66) 0.000
BCSb Ordinal scale 195 23 (11.790 7.63 17.17 0.48(0.24–0.99) 0.049
Tick infest No (Ref) 22 2 (9.09) 1.12 29.16 1 0.678
  Yes 173 21 (12.14) 7.67 17.96 1.38 (0.30–6.36)
Total cattle 195 23 (11.79) 7.63 17.17   
  1. Legend: Ref. Reference, OR Odds Ratio, CI Confidence Interval, aAge was measured in years, bBSC Body condition Score on 9 ordinal scale, cHerd size was the number of cattle in the farm