Table 2:

Demographics of the partners

	Chicago (n=1089)	Houston (n=946)	p
Age (mean, (SD))	27.0(6.7)	27.2(6.3)	0.577
Gender (%)
Male	81.6	59.1	<0.001
Female	6.3	0.8
Transgender	2.6	0.5
unknown	9.3	39.4
Race (%)
Hispanic	9.2	9.3	0.183
Non-Hispanic White/Caucasian	14.6	11.1
Non-Hispanic Black/African American	25.7	22.8
Other	4.0	3.2
Education (%)
Grade K-High school or GED	30.6	30.6	0.920
Some college or higher	51.2	51.9
Unknown	18.2	17.6
Relationship type (%)
Sex	88.2	70.0	<0.001
Sex and Social	11.9	30.0
HIV prevalence (%)	11.9	12.4	0.720