Table 1.

Selected factors associated with genotypic clustering *Within Clustering, CI = confidence interval; OR = Odds Ratio

	N(%)*	OR	95% CI	p-value
Homelessness	33 (11.3)	12.4	2.9, 52.1	<0.001
Living in Zip Code 1	41 (14.0)	6.2	2.4, 16.1	<0.001
American born	235 (80.5)	5.3	3.5, 7.9	<0.001
African-American	123 (42.1)	2.7	1.8, 4.0	<0.001
Male gender	214 (73.3)	1.9	1.3, 2.8	0.001
Living in Zip Code 2	40 (13.7)	1.9	1.0, 3.6	0.038
Living in Zip Code 3	9 (34.6)	0.3	0.1, 0.7	0.03