HIV infection according to patient demographics
| Variable | % (n) recent HIV infection | % (n) longstanding HIV infection | Unadjusted RR of being diagnosed with recent infection (95% CI) |
| Age (mean 35 years, SD 9.98, range 16–66 years) | – | – | 0.98 (0.96 to 1.00) |
| MSM (vs heterosexual)* | 76.5 (65) | 45.5 (180) | 1.68 (1.43 to 1.97) |
| Previous STI† | |||
| Chlamydia trachomatis | 21.2 (18) | 14.9 (81) | 1.42 (0.90 to 2.24) |
| Syphilis | 8.2 (7) | 7 (38) | 1.18 (0.54 to 2.55) |
| Gonorrhoea | 16.5 (14) | 10.5 (57) | 1.57 (0.92 to 2.69) |
| Lymphogranuloma venereum (LGV) | 1.2 (1) | 0.9 (5) | 1.28 (0.15 to 10.8) |
| Any STI‡ | 37.6 (32) | 24.5 (133) | 1.54 (1.13 to 2.10) |
| Visits in the year preceding date of HIV diagnosis/RITA test† | |||
| >2 visits | 68 (34) | 54.8 (188) | 1.24 (1.00 to 1.54) |