Table 2 Univariate logistic regression analysis of risk factors in HIV-1-infected men having sex with men (MSM)
From: Risk Factors for HIV-1 seroconversion among Taiwanese men visiting gay saunas who have sex with men
Variable | HIV (+) N= 81 n(%) | HIV (-) N= 1, 012 n(%) | Odds ratio | 95% Confidence interval |
|---|---|---|---|---|
Role during anal intercourse | Â | Â | Â | |
Versatile | 53/77 (68.8) | 410/824 (49.8) | 2.55 | 1.41~4.61 |
Exclusively receptive | 9/77 (11.7) | 118/824 (14.3) | 1.51 | 0.64~3.53 |
Exclusively insertive | 15/77 (19.5) | 296/824 (35.9) | 1 | Â |
Frequency of anal sex during sexual intercourse | Â | Â | ||
Always/frequently/occasionally/rarely* | 73/78 (93.6) | 793/941 (84.3) | 2.73 | 1.08~6.86 |
Never | 5/78 (6.4) | 148/941 (15.7) | 1 | Â |
Number of sexual partners in the past 3 months | Â | Â | ||
≥ 2 | 55/69 (79.7) | 565/802 (70.4) | 1.65 | 0.90~3.02 |
0 or 1 | 14/69 (20.3) | 237/802 (29.6) | 1 | Â |
Frequency of anal rimming | Â | Â | Â | |
Always/frequently/occasionally/rarely* | 54/78 (69.2) | 493/938 (52.6) | 2.03 | 1.24~3.34 |
Never | 24/78 (30.8) | 445/938 (47.4) | 1 | Â |
Number of sexual partners during each sauna visit | Â | Â | ||
≥ 2 | 39/74 (52.7) | 316/808 (39.1) | 1.73 | 1.08~2.80 |
0 or 1 | 35/74 (47.3) | 492/808 (60.9) | 1 | Â |
Frequency of sauna visits | Â | Â | Â | Â |
Once a month or less | 54/67 (80.6) | 665/815 (81.5) | 0.94 | 0.50~1.77 |
More than once a month | 13/67 (19.4) | 151/816 (18.5) | 1 | Â |
Other STDs | ||||
Yes | 19/77 (24.6) | 172/926 (18.6) | 1.44 | 0.83~2.47 |
No | 58/77 (75.3) | 754/926 (81.4) | 1 | Â |
Recreational drugs before visiting sauna | ||||
Always/frequently/occasionally/rarely* | 11/78 (14.1) | 76/946 (8.0) | 1.88 | 0.95~3.71 |
Never | 67/78 (85.9) | 870/946 (92.0) | 1 | Â |
Frequency of condom use during sexual intercourse | Â | Â | ||
Occasionally/Rarely/Never* | 34/61 (55.7) | 308/652 (47.2) | 1.39 | 0.82~2.36 |
Always | 27/61 (44.3) | 344/652 (52.8) | 1 | Â |
Circumcised | Â | Â | Â | Â |
No | 66/79 (83.5) | 692/945 (73.2) | 1.85 | 1.01~3.42 |
Yes | 13/79 (16.5) | 253/945 (26.8) | 1 | Â |
Age | Â | Â | Â | Â |
≤ 35 years | 68/78 (87.2) | 637/923 (69.0) | 2.70 | 1.07~6.79 |
> 35 years | 10/78 (12.8) | 286/923 (31.0) | 1 | Â |