Population characteristics
| Age | Self-identified HIV status | Number of participants | |
| London interviews (n=22) | Between 18 and 30, inclusive | HIV positive | 1 |
| HIV negative/unknown | 9 | ||
| Older than 30 | HIV positive | 7 | |
| HIV negative/unknown | 5 | ||
| Glasgow interviews (n=10) | Between 18 and 30, inclusive | HIV positive | 0 |
| HIV negative/unknown | 1 | ||
| Older than 30 | HIV positive | 5 | |
| HIV negative/unknown | 4 |