Table 4. Multivariate logistic regression model for exposure to Leptospira spp. among deer subspecies sampled between 1990 and 2007 in California.

		Leptospira spp.
	n	OR	95%CI	P-value
Deer Subspecies
Mule deer	1537	1.0	ref	ref
Black-tailed deer	773	4.7	2.7–8.4	<0.001
Desert mule deer	39	0	–	–

0 = no samples were seropositive in this category.

ref = reference category.