Univariate analysis of factors associated with the willingness to use PrEP among 1173 individuals seeking voluntary counselling testing for HIV in Taiwan
| Variables | All individuals | Individuals willing to use PrEP | Individuals unwilling to use PrEP | Statistics p value* |
| Patient number, N (%) | 1173 (100.0) | 546 (46.5) | 627 (53.5) | |
| Age, mean (SD), years | 29.7 (7.9) | 29.7 (7.2) | 29.8 (8.6) | 0.2643 |
| Gender, % | ||||
| Male | 88.2 | 93.4 | 83.7 | <0.0001 |
| Female | 11.8 | 6.6 | 16.3 | |
| Transgender | 0.0 | 0.0 | 0.0 | |
| Highest level of education, % | 100.0 | 100.0 | 100.0 | |
| More than high school | 88.3 | 89.1 | 87.7 | 0.5241 |
| High school or less | 11.7 | 11.0 | 12.3 | |
| Current employment status, % (n/N) | 99.5 | 99.5 | 99.5 | |
| Full time | 61.6 (719/1167) | 66.5 (356/543) | 58.2 (363/624) | 0.0112 |
| Others | 38.4 (448/1167) | 34.4 (187/543) | 41.8 (261/624) | |
| Current monthly income status, % (n/N) | ||||
| <30 000 NTDs | 42.8 (497/1161) | 39.1 (210/537) | 46.0 (287/624) | 0.0203 |
| ≥30 000 NTDs | 57.2 (664/1161) | 60.9 (327/537) | 54.0 (337/624) | |
| Sexual partners, % | ||||
| Non-MSM male | 20.9 | 17.6 | 23.8 | <0.0001 |
| MSM or bisexual male | 67.4 | 75.8 | 60.0 | |
| Female | 11.8 | 6.6 | 16.3 | |
| Activities engaged in, % | ||||
| Sex work (provider or consumer) | 10.1 | 9.5 | 10.7 | 0.5611 |
| Having sex with someone dating online or from apps | 57.5 | 61.5 | 53.9 | 0.0092 |
| Having sex with someone dating at places, like a pub, bathhouse or gym | 9.5 | 11.5 | 7.8 | 0.0362 |
| Attending a sex party | 0.5 | 0.7 | 0.3 | 0.4255 |
| One-night stand sex | 27.5 | 32.6 | 23.1 | <0.0001 |
| Risk behaviours, % (n/N) | ||||
| Number of sex partners within 3 months | ||||
| 0 | 16.9 (198/1169) | 13.8 (75/543) | 19.7 (123/626) | 0.0295 |
| 1–5 | 79.7 (932/1169) | 82.7 (449/543) | 77.2 (483/626) | |
| >5 | 3.3 (39/1169) | 3.5 (19/543) | 3.2 (20/626) | |
| Having a committed sexual partner within 3 months | 45.2 (530/1173) | 47.6 (260/546) | 43.1 (270/627) | 0.1263 |
| Having a casual sex partner within 3 months | 60.0 (704/1173) | 53.7 (293/546) | 65.6 (411/627) | <0.0001 |
| Condomless anal sex in the past 1 year | 38.3 (449/1173) | 46.2 (252/546) | 31.4 (197/627) | <0.0001 |
| Partner infected with HIV or other STIs | 11.1 (130/1173) | 12.6 (69/546) | 9.7 (61/627) | 0.1355 |
| Ever having STIs in the past 1 year | 6.8 (80/1173) | 8.2 (45/546) | 5.6 (35/627) | 0.0815 |
| Alcohol consumption before or during sexual activity | 17.3 (203/1173) | 17.0 (93/546) | 17.5 (110/627) | 0.8771 |
| Ever using recreational drugs before or during sexual activity or attending drug party in the past 1 year | 7.5 (88/1173) | 11.7 (64/546) | 3.8 (24/627) | <0.0001 |
| Knowledge on prevention, % | ||||
| Regular screening for HIV infection | 52.9 | 60.3 | 46.4 | <0.0001 |
| Knew of HIV PEP | 67.2 | 73.1 | 62.0 | <0.0001 |
| Knew of HIV PrEP | 40.2 | 48.0 | 33.3 | <0.0001 |
| Diagnosis of STIs by current VCT visit | ||||
| Syphilis | 2.9 (34/1173) | 3.7 (20/546) | 2.2 (14/627) | 0.1644 |
| HIV | 3.4 (40/1173) | 5.7 (31/546) | 1.4 (9/627) | <0.0001 |
*p Value was calculated for the differences among the two groups. Continuous variables were analysed with non-parametric statistics, Kruskal-Wallis test, while categorical variables with χ2 test.
MSM, men who have sex with men; NTD, New Taiwan Dollar; PEP, postexposure prophylaxis; PrEP, pre-exposure prophylaxis; STI, sexually transmitted infection; VCT, voluntary counselling testing.