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Table 3 Multivariable logistic regression models for canine seroprevalence in Ontario, Manitoba and Quebec, Canada (2008–2015) for Borrelia burgdorferi, Ehrlichia spp. and Anaplasma spp., and the antigen of Dirofilaria immitis

From: Prevalence of Borrelia burgdorferi, Anaplasma spp., Ehrlichia spp. and Dirofilaria immitis in Canadian dogs, 2008 to 2015: a repeat cross-sectional study

Predictor Anaplasma spp. B. burgdorferi Ehrlichia spp. D. immitis
Coefficient (95% CI) P-value Coefficient (95% CI) P-value Coefficient (95% CI) P-value Coefficient (95% CI) P-value
Year 0.35 (0.19–0.52) <0.001 0.37 (0.30–0.45) <0.001 0.26 (0.09–0.42) 0.003 -0.95 (-1.14– -0.75) <0.001
Year2 -0.03 (-0.05– -0.02) <0.001 -0.03 (-0.03– -0.02) <0.001 -0.01 (-0.03–0.003) 0.1 0.09 (0.07–0.11) <0.001
Province   <0.001   <0.001   <0.001   <0.001
Ontario Referent Referent Referent Referent
Manitoba 0.82 (0.12–1.52) 0.02 0.93 (0.55–1.31) <0.001 -2.29 (-3.80– -0.79) 0.003 -1.90 (-2.91– -0.88) <0.001
Quebec -1.57 (-2.72– -0.42) 0.007 -0.30 (-0.75–0.16) 0.2 -1.79 (-2.87– -0.70) 0.001 -3.41 (-4.69– -2.13) <0.001
Province*Year   0.01   <0.001   0.03   <0.001
Ontario*Year Referent Referent Referent Referent
Manitoba*Year 0.08 (-0.19–0.36) 0.6 -0.29 (-0.44– -0.13) <0.001 0.75 (0.20–1.31) 0.008 1.07 (0.65–1.49) <0.001
Quebec*Year 0.60 (0.17–1.03) 0.006 0.10 (-0.07–0.27) 0.3 0.85 (0.46–1.24) <0.001 1.61 (1.12–2.10) <0.001
Province*Year2   0.05   <0.001   <0.001   <0.001
Ontario*Year2 Referent Referent Referent Referent
Manitoba*Year2 -0.003 (-0.03–0.02) 0.8 0.03 (0.01–0.04) <0.001 -0.06 (-0.11– -0.01) 0.02 -0.09 (-0.13– -0.05) <0.001
Quebec*Year2 -0.05 (-0.09– -0.008) 0.02 -0.001 (-0.02–0.02) 0.9 -0.07 (-0.10– -0.04) <0.001 -0.14 (-0.18– -0.09) <0.001