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Table 3 Risk factors for E. canis, Anaplasma spp. and one or more agents in apparently healthy dogs

From: Prevalence of Dirofilaria immitis, Ehrlichia canis, Borrelia burgdorferi sensu lato, Anaplasma spp. and Leishmania infantum in apparently healthy and CVBD-suspect dogs in Portugal - a national serological study

Dependent variable/

/risk factor

p value

OR

95% CI

Positivity to E. canis

   

   Positivity to Anaplasma spp.

< 0.001

20.8

7.9-55.1

Positivity to Anaplasma spp.

   

   Detectable ticks

= 0.185

2.7

0.6-11.4

   Non-use of ectoparasiticides

= 0.079

2.3

0.9-5.7

   Positivity to E. canis

< 0.001

20.7

7.4-58.1

Positivity to one or more agents

   

   Age > 12 months

= 0.040

3.5

1.1-11.5

   Non-use of ectoparasiticides

= 0.004

2.1

1.3-3.4