Variables considered in the census tract and cluster discriminant analyses.

*Mean of the variables considered in the census tract analysis comparing those census tracts with one or more reported cases of La Crosse virus infection to those census tracts without any reported cases of La Crosse virus infection.†Mean of the variables considered in the cluster discriminant analysis comparing those census tracts of significantly high-risk to those of significantly low-risk for La Crosse virus infection.1HSD: High school diploma.2GED: General education diploma.3>HSD/GED: Includes some college, associate degree, bachelor degree, graduate degree or professional degree.