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)

Age^a

In years

227

14 (6.17)

3.41

1.33(1.04–1.69)

Sex

Male

4

3(75.0)

19.41

57.25(10.29, 318.50)

Female

223

11(4.93)

2.49

1

breed

local

7

1(14.29)

0.36

2.71(0.21, 34.95)

Crossholisten

220

13(5.91)

3.18

1

BCS^b

Ordinal scale

57

2(3.51)

0. 43

1

Multiage mix

No

115

8(6.96)

3.05

1.33(0.52,3.43)

Yes(ref)

112

6(5.36)

1.99

1

MultiSpecies mix

yes

203

14(6.90)

3.82

∞

No

24

0(0.0)

0.00

1

Tick infest

No (Ref)

123

7(5.69)

2.32

1

Yes

104

7(6.73)

3.30

1.21(0.08, 18.30)

Herd size^c

Continuous scale

227

14 (6.17)

3.41

1.01(0.99, 1.03)

Contact other herd

No

206

12(5.83)

3.05

1

yes

21

2(9.52)

1.17

1.71(0.38, 7.51)

Management system

Intensive

129

6(4.65)

1.73

1

Semi-intensive

98

8(8.16)

3.59

1.84(0.77,4.41

Presence nuisance animals (dog,cat, mice…)

No

70

3(4.29)

0.89

1

Yes

157

11(7.01)

3.55

1.71(0.60,4.82)

Total

cattle

227

14 (6.17)

3.41

Animal aborted

No(ref)

191

9(4.71)

2.18

1

Yes

32

2(6.25)

0.77

1.35(0.26, 6.98)

Parity

Heifer (ref)

65

2(3.08)

0.37

1

Perimiparous

42

3(7.14)

1.50

2.43(0.26, 22.34)

Multiparous

116

6(5.17)

2.39

1.72(0.39,7.62)

Age

In years

195

23 (11.79)

7.63

6.93(3.51, 13.66)

BCS^b

Ordinal scale

195

23 (11.790

7.63

0.48(0.24–0.99)

Tick infest

No (Ref)

22

2 (9.09)

1.12

1

Yes

173

21 (12.14)

7.67

1.38 (0.30–6.36)

Total

cattle

195

23 (11.79)

7.63