Table 3. Frequency of recorded rodent exposure types by US region of hantavirus pulmonary syndrome case-patients, United States, 1993–2015.

Exposure	All case-patients, no. (%), n = 319	Western region, no. (%), n = 302	Eastern region, no. (%), n = 17	χ2	p value*
Home	228 (71)	220 (73)	8 (47)	5.2	0.022
Occupational	102 (32)	96 (32)	6 (35)	0.091	0.76
Recreational	78 (24)	70 (23)	8 (47)	5.0	0.026

*df = 1.