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Table 2 Univariate analysis of animal factors on R. felis in fleas

From: The epidemiology of Rickettsia felis infecting fleas of companion animals in eastern Australia

 

Population

Exposed

P

OR (95% CI)

Breed (cats)

 DSH

94

21

Ref.

1 (na–na)

 DMH

24

1

0.043

0.151 (0.019–1.186)

 DLH

3

0

1.000

0 (0–NaN)

 Pedigree breed cat

46

0

< 0.0001

0 (0–NaN)

Breed (dogs)

 Large breed dog

65

14

Ref.

1 (na–na)

 Toy/small breed dog

47

3

0.033

0.248 (0.067–0.921)

Species

 Cats

167

22

Ref.

1 (na–na)

 Dogs

112

17

0.725

1.179 (0.595–2.337)

Sex

 Female

152

24

Ref.

1 (na–na)

 Male

127

15

0.388

0.714 (0.357–1.429)

Region

 Ballina

87

19

Ref.

1 (na–na)

 Central Coast

108

15

0.184

0.577 (0.274–1.217)

 Cairns

12

1

0.450

0.325 (0.039–2.682)

 Gold Coast

4

0

0.576

0 (0–NaN)

 Ipswich

41

2

0.020

0.184 (0.041–0.83)

 Northern Beaches

9

0

0.197

0 (0–NaN)

Climate

 Subtropical

132

21

Ref.

1 (na–na)

 Temperate

117

15

0.589

0.777 (0.38–1.589)

 Tropical

12

1

0.693

0.481 (0.059–3.922)

Temperature (daily minimum, °C)

 < 15

27

4

0.188

3.594 (0.747–17.303)

 15–20

187

32

0.012

4.267 (1.26–14.445)

 20–25

65

3

Ref.

1 (na–na)

Temperature (daily maximum, °C)

 < 27

118

12

Ref.

1 (na–na)

 27–30

129

26

0.034

2.23 (1.068–4.654)

 > 30

32

1

0.301

0.285 (0.036–2.278)

  1. Abbreviations: na, not applicable, NaN, not a number, P, P-value, Ref., reference