Table 4.

Odds ratio and 95% confidence intervals for the final multivariate logistic models predicting EEEV serological status or disease in horses according to individual and environmental variables

	OR	95% CI	P value
Model 1 (Serosurvey dataset alone)
Agricultural lands*	0·73	0·58–0·92	0·008
Breed (Arabian vs. others)	22·0	1·01–474	0·049
Model 2 (Serosurvey and clinical cases dataset combined)
Agricultural lands*	0·75	0·62–0·92	0·006
Wooded wet lands*	4·15	1·16–14·8	0·028

EEEV, Eastern equine encephalitis virus; OR, odds ratio; CI, confidence interval.

^*OR presented for an increase of 10% of the area represented by the selected land cover within a buffer of 5 km radius around the barn.