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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