Table 2.
Associations between HIV risk factors and CHOP questionnaire respondent’s HIV status and current PrEP usage
| Risk behaviours for HIV and demographic categories | Respondents in subgroup (%) | Number with risk factor (%) | OR* (95%CI) | P value |
| CAI in the past 3 months | ||||
| HIV negative/unsure and not on PrEP | 404 (65.5) |
240 (59.4) |
1.0 | |
| HIV negative/unsure and using PrEP | 173 (28.2) |
162 (93.1) |
9.2 (5.0 to 17.1) |
<0.001 |
| HIV diagnosed | 39 (6.3) |
30 (76.9) |
2.3 (1.1 to 4.9) |
0.036 |
| Diagnosis with a rectal gonorrhoea, chlamydia or acute syphilis in the past 12 months | ||||
| HIV negative/unsure and not on PrEP | 375 (64.4) |
19 (5.1) |
1.0 | |
| HIV negative/unsure and using PrEP | 170 (29.2) |
17 (10.0) |
2.1 (1.1 to 4.1) |
0.035 |
| HIV diagnosed | 37 (6.4) |
6 (16.2) |
3.6 (1.3 to 9.7) |
0.011 |
| PEP use in the past 12 months | ||||
| HIV negative/unsure and not on PrEP | 404 (70.1) |
28 (6.9) |
1.0 | |
| HIV negative/unsure and using PrEP | 172 (29.9) |
25 (14.5) |
2.3 (1.3 to 4.0) |
0.005 |
| HIV diagnosed | - - |
- - |
- - |
– |
| Chemsex in the past 12 months | ||||
| HIV negative/unsure and not on PrEP | 403 (65.5) |
9 (2.2) |
1.0 | |
| HIV negative/unsure and using PrEP | 173 (28.2) |
26 (15.0) |
7.7 (3.5 to 16.9) |
<0.001 |
| HIV diagnosed | 39 (6.3) |
7 (18.0) |
9.6 (3.3 to 27.4) |
<0.001 |
CHOP, Challenges and Opportunities of PrEP; PEP, post-exposure prophylaxis; PrEP, pre-exposure prophylaxis.