HIV infection | 2 (8) |
Organ or bone marrow transplant | 2 (8) |
Sexually transmitted infection | 3 (12) |
Anal or genital warts | 6 (23) |
Anal-receptive sex | 9 (35) |
Sexual orientation | |
• Heterosexual | 24 (92) |
• Homosexual | 1 (4) |
• Bisexual | 1 (4) |
Self-reported lifetime sexual partners | |
• 1–5 | 15 (58) |
• 5–10 | 5 (19) |
• 10–20 | 3 (12) |
• 20–50 | 1 (4) |
• > 50 | 2 (8) |