Patient characteristics and sexual behaviour among MSM with valid blood sample and at least one eligible anal/external genital sample
| n (%) | |
| Age group (years) | |
| 18–20 | 16 (3.3) |
| 21–25 | 114 (23.6) |
| 26–30 | 122 (25.2) |
| 31–35 | 134 (27.7) |
| 36–40 | 98 (20.3) |
| Ethnicity | |
| White | 358 (76.7) |
| Black | 28 (6) |
| Asian and South-East Asian | 34 (7.3) |
| Mixed/other | 47 (10.1) |
| Country of birth | |
| UK | 220 (46.8) |
| Outside of UK | 250 (53.2) |
| Smoker | |
| No | 330 (70.4) |
| Yes | 139 (29.6) |
| Alcohol use† | |
| No-risk drinking | 162 (34.8) |
| Risk drinking | 303 (65.2) |
| Currently employed | |
| No | 102 (21.7) |
| Yes | 368 (78.3) |
| Years of education since 16 years of age | |
| None | 12 (2.6) |
| Up to 2 years | 57 (12.1) |
| 3 years or more | 319 (67.9) |
| Currently studying | 82 (17.5) |
| Sexual orientation | |
| Straight/heterosexual | 0 (0) |
| Gay/homosexual | 427 (91) |
| Bisexual | 42 (9) |
| Total lifetime male sex partners* | |
| ≤30 | 161 (34.3) |
| 31–100 | 161 (34.3) |
| 101–500 | 148 (31.5) |
| HIV-positive | |
| No | 459 (94.8) |
| Yes | 25 (5.2) |
*Includes oral and anal partners.
†Alcohol use disorders identification test (AUDIT-C)
MSM, men who have sex with men.