Table II.

Results of multivariable logistic regression for canine leptospirosis in Ontario in 1998–2006, 1998–2000, and 2001–2006

Covariate	Coefficient	Odds ratio	P-value	95% CI
Logistic regression model for 1998–2006
Urban	0.4942	1.64	0.003 77	1.17–2.29
Logistic regression model for 1998–2000
Herding breeds	−0.6624	0.52	0.225 950	0.17–1.49
Hound breeds	−0.6624	0.52	0.440 294	0.08–2.78
Mixed breeds	−0.7314	0.48	0.162 993	0.17–1.33
Non-sporting breeds	0.1643	1.18	0.789 719	0.35–4.06
Sporting breeds	−2.1992	0.11	0.000 398	0.03–0.35
Terrier breeds	−0.9343	0.39	0.206 187	0.08–1.62
Toy breeds	−0.5978	0.55	0.441 525	0.11–2.53
Working breeds	−0.9343	0.39	0.114 190	0.12–1.22
Logistic regression model for 2001–2006
Urban	0.6112	1.84	0.000 984	1.28–2.66

CI — confidence interval.