Demographic characteristics
| | | | | | |
Age in years, mean (SD) (range)
|
38.0 (8.0) (20-61)
|
35.4 (7.0) (21-55)
|
38.2 (6.7) (23-56)
|
F = 5.5
|
2,318
|
< .01
|
Sexual orientation
|
Gay or homosexual
|
74.0%
|
90.6%
|
74.8%
|
χ2 = 14.9
|
4
|
< .01
|
|
Bisexual
|
24.0%
|
9.4%
|
25.2%
| | | |
|
Not sure
|
2.1%
|
0.0%
|
0.0%
| | | |
Education
|
Less than high school
|
17.0%
|
7.0%
|
17.8%
|
χ2 = 22.6
|
6
|
< .001
|
|
High school or equivalent
|
25.0%
|
17.5%
|
36.4%
| | | |
|
Some college
|
35.0%
|
43.9%
|
30.8%
| | | |
|
College or advanced degree
|
23.0%
|
31.6%
|
15.0%
| | | |
Living arrangement
|
Living with spouse or steady
|
24.0%
|
14.0%
|
10.3%
|
χ2 = 15.4
|
6
|
< .05
|
|
Living with other adult(s)
|
23.0%
|
36.8%
|
32.7%
| | | |
|
Living alone
|
37.0%
|
31.6%
|
29.0%
| | | |
|
Other
|
16.0%
|
17.5%
|
28.0%
| | | |
Substance use
| | | | | | |
Number grams of meth used in past 30 days, mean (SD)
|
4.4 (7.2)
|
4.2 (10.4)
|
7.3 (13.9)
|
F = 5.1
|
2,298
|
< .01
|
Injected meth in past 2 months
|
40.0%
|
30.7%
|
52.3%
|
χ2 = 10.7
|
2
|
< .01
|
Used cocaine in past two months
|
26.0%
|
22.8%
|
40.2%
|
χ2 = 8.9
|
2
|
< .01
|
Used crack in past two months
|
14.0%
|
12.3%
|
33.0%
|
χ2 = 17.9
|
2
|
< .001
|
Used heroin in past two months
|
5.0%
|
2.6%
|
12.1%
|
χ2 = 8.7
|
2
|
< .01
|
Used poppers in past two months
|
45.9%
|
72.8%
|
57.5%
|
χ2 = 16.0
|
2
|
< .001
|
Used Special K in past two months
|
10.0%
|
28.1%
|
13.1%
|
χ2 = 14.2
|
2
|
< .001
|
Used GHB in past two months
|
20.0%
|
38.6%
|
15.9%
|
χ2 = 17.2
|
2
|
< .001
|
Number of illicit drugs used, mean (SD)
|
2.7 (1.8)
|
3.6 (2.0)
|
3.5 (2.5)
|
F = 5.4
|
2,318
|
< .01
|
Number of alcoholic drinks in a typical day, mean (SD)
|
3.2 (4.3)
|
2.8 (3.5)
|
4.5 (5.6)
|
F = 4.2
|
2,315
|
< .05
|
Became drunk from alcohol in past two months
|
33.3%
|
46.0%
|
57.0%
|
χ2 = 11.6
|
2
|
< .01
|
Sexual risk behavior
| | | | | | |
Total unprotected sex acts, mean (SD)
|
30.1 (48.0)
|
33.7 (40.7)
|
42.5 (55.5)
|
F = 3.6
|
2,305
|
< .05
|
Unprotected anal sex acts, mean (SD)
|
6.7 (12.0)
|
11.7 (16.9)
|
12.0 (20.5)
|
F = 4.5
|
2,263
|
< .01
|
Number HIV-negative and status-unknown partners, mean (SD)
|
5.1 (9.5)
|
9.9 (12.0)
|
14.0 (16.9)
|
F = 11.1
|
2,304
|
< .001
|
Number of casual partners, mean (SD)
|
2.0 (2.8)
|
5.2 (9.4)
|
4.6 (8.4)
|
F = 5.3
|
2,317
|
< .01
|
Number of anonymous partners, mean (SD)
|
3.0 (9.6)
|
6.8 (10.7)
|
6.8 (12.7)
|
F = 4.1
|
2,311
|
< .05
|
Psychosocial factors
| | | | | | |
Beck depression, mean (SD)
|
14.3 (9.4)
|
14.1 (9.4)
|
18.3 (10.7)
|
F = 6.0
|
2,298
|
< .01
|
Sexual compulsivity, mean (SD)
|
22.6 (7.9)
|
22.6 (6.6)
|
25.8 (7.5)
|
F = 4.5
|
2,198
|
< .01
|
Experiences of social stigma, mean (SD)
|
2.1 (.87)
|
2.1 (.83)
|
2.6 (.88)
|
F = 13.1
|
2,318
|
< .001
|