Table 2: Travel characteristics, Brazos County, Texas.

	Percent (%) Prevalence	95% Lower Confidence Limit	95% Upper Confidence Limit
Traveled outside of U.S.	12.2	11.9	12.4
-Endemic area*	5.2	2.5	9.4
-Other area	5.8	2.9	10.1
-Length of visit
--Less than 7 days	2.1	0.6	5.3
--7 to 14 days	2.1	0.6	5.3
--More than 14 days	4.2	1.8	8.1
--Travel length not given	3.7	1.5	7.4
Hosted recent visitors	10.0	9.7	10.2
-Endemic area	5.2	2.5	9.4
-Other area	5.2	2.5	9.4
Length at current address
-Less than 6 months	22.4	22.2	22.7
-6 months to 1 year	11.7	11.5	11.9
-More than a year	64.9	64.6	65.2
Previous residence outside U.S.	10.1	9.9	10.3
-Endemic area	3.1	1.2	6.7
-Other area	5.2	2.5	9.4