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
| 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 |