Self-reported HIV and sexually transmitted infections (STIs)* and place of diagnosis
| STI | % (95% CI)n=2296 | Proportion diagnosed in the UK % (95% CI) |
| Chlamydia | 2.7 (2.1 to 3.4) | 44.4 (31.9 to 57.5) |
| Genital herpes | 1.8 (1.3 to 2.4) | 28.6 (15.7 to 44.6) |
| Genital warts | 1.1 (0.7 to 1.6) | 32.0 (14.9 to 53.5) |
| Gonorrhoea | 2.0 (1.4 to 2.6) | 15.6 (6.5 to 29.5) |
| Non-specific urethritis | 0.5 (0.2 to 0.8) | 18.2 (2.3 to 51.8) |
| Pelvic inflammatory disease (women only) | 2.1 (1.4 to 3.1) | 8.0 (1.0 to 26.0) |
| Syphilis | 0.6 (0.3 to 1.0) | 15.4 (1.9 to 45.4) |
| Trichomonas vaginalis | 1.2 (0.8 to 1.7) | 21.4 (8.3 to 41.0) |
| HIV | 1.1 (0.8 to 1.8) | 31.0 (15.3 to 50.8) |
↵* Data based on self-reports of ever diagnosed infections rather than biological samples.