Baseline demographic characteristics
| Entire sample N=135 | HOME PEPSE N=66 | SOC N=69 | |
| Age at registration | 30 (26, 39) | 30 (27,40) | 29 (26,37) |
| Age category (years) | |||
| <25 | 19 (14%) | 8 (12%) | 11 (16%) |
| ≥25 | 116 (86%) | 58 (88%) | 58 (84%) |
| Ethnicity | |||
| White/Caucasian | 101 (75%) | 52 (79%) | 49 (71%) |
| Black or African | 9 (7%) | 4 (6%) | 5 (7%) |
| Oriental | 6 (4%) | 2 (3%) | 4 (6%) |
| Other | 19 (14%) | 8 (12%) | 11 (16%) |
| University degree | 97 (72%) | 45 (68%) | 52 (75%) |
| Employment status | |||
| Full time | 98 (73%) | 46 (70%) | 52 (75%) |
| Part time | 9 (7%) | 4 (6%) | 5 (7%) |
| Education | 20 (15%) | 11 (17%) | 9 (13%) |
| Unemployed | 8 (6%) | 5 (8%) | 3 (4%) |
| Born in the UK | 74 (55%) | 31 (47%) | 43 (62%) |
| Not currently in a relationship | 88 (65%) | 43 (75%) | 45 (75%) |
| Circumcised | 37 (27%) | 19 (29%) | 18 (26%) |
| STI diagnosed in past 12 months | |||
| Any | 75 (56%) | 34 (52%) | 41 (59%) |
| Bacterial* | 71 (53%) | 32 (49%) | 39 (57%) |
| Rectal† | 42 (31%) | 17 (26%) | 25 (36%) |
| Number of HIV tests in past 12 months | 3 (2, 4) | 3 (2, 4) | 3 (2, 4) |
| Used PEPSE in past 12 months | 53 (39%) | 30 (46%) | 23 (33%) |
Data presented as median (IQR) or n (%). Differences between the baseline characteristics of the arms ≥10% are highlighted in blue. Four participants (three in HOME PEPSE and one in SOC arm) did not complete the Baseline Questionnaire and were not included in the table. Eighteen participants did not complete the All Visits Questionnaire at baseline so were not included in the summary of relationship status.
*Gonorrhoea, chlamydia or syphilis.
†Rectal gonorrhoea or rectal chlamydia.
PEPSE, postexposure prophylaxis; SOC, standard of care; STI, sexually transmitted infection.