Table 1 Demographic characteristics and sexual behaviour in two sub-samples of MSM in Germany: n (%)
| Â | Last HIV test negative or not tested for HIV n = 3,511 | HIV-positive n = 874 | OR (95%-CI)/p |
|---|---|---|---|
Recruitment and Demographics | |||
Recruitment |  |  | <0.001 (χ2) |
   Chat- and Dating Websites | 3,050 (86.9) | 217 (24.8) |  |
   'Bareback' Website | 207 (5.9) | 240 (27.5) |  |
   Medical Facilities | 254 (7.2) | 417 (47.7) |  |
Median age (range) | 32 (16; 76) | 40 (20; 70) | >0.001 (t) |
City size (population >500,000) | 1,218 (34.7) | 467 (53.4) | 2.16 (1.86-2.51) |
Education (ISCED 4 or higher) | 1,836 (52.3) | 414 (47.4) | 0.82 (0.71-0.95) |
Sexual behaviour in the previous 12 months | |||
More than ten sexual partners | 974 (27.7) | 466 (53.3) | 2.98 (2.56-3.64) |
Sex with non-steady partners was... | Â | Â | |
   frequently anally insertive | 820 (23.4) | 337 (38.6) | 2.06 (1.76-2.41) |
   frequently anally receptive | 792 (22.6) | 382 (43.7) | 2.67 (2.82-3.11) |
Frequent HIV risk-taking* | Â | Â | Â |
   with male partners in general | 222 (6.3) | 233 (26.7) | 5.39 (4.40-6.59) |
   with anonymous partners | 135 (3.8) | 208 (23.8) | 7.81 (6.19-9.85) |
Sexual Networks: Reporting sexual partners with... | |||
   HIV | 209 (6.0) | 425 (48.6) | 14.96 (12.33-18.13) |
   recent STIs** | 178 (5.1) | 192 (22.0) | 5.27 (4.23-6.57) |