Study Site  
Variable Jackson, MS
(n = 570)
Washington, DC
(n = 543 )
Oakland, CA
(n = 339)
p
Mean Age (SD) 30.2+10.1 36.7+12.3 40.7+11.6 <0.01
Education
<High school  # .001
High school   83
College graduate
Graduate School        
16.1%
63.8%
16.3%
3.7%
15.7%
74.6%
7.6%
2.2%
27.8%
61.5%
9.5%
1.2%
<0.01
Marital Status
Single
Married
Divorced, Separated, or Widowed
76.5%
14.4%
9.2%
72.4%
9.2%
18.4%
72.3%
9.7%
18.0%
<0.01
Income
<$10,000
$10,000 - $19,999
$20,000 - $34,999
$35,000 -$49,999
≥ $50,000
45.3%
19.6%
18.8%
10.0%
6.4%
43.1%
13.6%
20.1%
13.6%
9.5%
64.6%
18.6%
5.6%
7.1%
4.2%
<0.01
Injected drugs 3.2% 5.7% 5.3% NS
Smoked crack cocaine 8.4% 10.3% 25.7% <0.01
Sex partner had STI 5.9% 6.0% 3.7% NS
Sex with IDU 3.9% 7.8% 5.3% <0.05
Had STI 6.5% 3.8% 3.0% <0.05
Exchanged sex for drugs or money 8.4% 12.3% 9.8% NS
Sex partner recently in jail (women only) 20.3% 18.6% 24.7% NS
Note. STI - sexually transmitted infection; IDU - injecting drug user; NS - non-significant; SD-standard deviation; †χ2 test of independence
Table 2: Demographic and HIV risk characteristics of African Americans enrolled from three U.S. cites. (n=1,452).