Table 2 Patterns of SDU and perceptions related PrEP among GBMSM with experience of SDU in the past year
% / Mean (SD) | |
|---|---|
Patterns of SDU | (n = 82) |
Types of psychoactive substance used during SDU in past year | |
Ketamine | 1.2 |
Methamphetamine | 31.7 |
Cocaine | 1.2 |
Cannabis | 8.5 |
Ecstasy | 3.7 |
Dormicum / Halcion / Erimin 5 / Hypnotic drugs (non-prescription) | 0.0 |
Heroin | 0.0 |
Cough suppressant (not for curing cough) | 1.2 |
Amyl nitrite | 80.5 |
GHB/GBL | 31.7 |
5-methoxy-N, N-diisopropyltryptamine (Foxy) | 4.9 |
Mephedrone | 0.0 |
Poly-use of psychoactive substances in lifetime | |
No | 69.5 |
Yes | 30.5 |
Time since the first episode of SDU | |
< 1 year | 40.2 |
1–2 years | 15.9 |
3–5 years | 15.9 |
> 5 years | 28.0 |
Frequency of SDU in the past year | |
1 episode/month | 37.8 |
1–2 episodes/month | 29.3 |
≥ 3 episodes/month | 32.9 |
Condomless anal intercourse during SDU in the past year | |
No | 48.8 |
Yes | 51.2 |
Drug cessation/rehabilitation services provided by governmental organizations | |
No | 97.6 |
Yes | 2.4 |
Drug cessation/rehabilitation services provided by non-governmental organizations | |
No | 90.2 |
Yes | 9.8 |
Details of the most recent episode of SDU | |
Number of participants | |
2 | 78.0 |
≥ 3 | 22.0 |
Alcohol consumption | |
No | 85.4 |
Yes | 14.6 |
Use of erectile dysfunction drugs | |
No | 69.5 |
Yes | 30.5 |
Group sex | |
No | 80.5 |
Yes | 19.5 |
Condomless anal intercourse | |
No | 48.8 |
Yes | 51.2 |
Perceptions related to PrEP (among participants with experience of SDU in the past year who were not on PrEP) | (n = 70) |
Willingness to take once-daily oral pill as PrEP in the next six months after being briefed some facts of PrEP | |
No (definitely not/probably not/neutral) | 32.9 |
Yes (probably will/definitely will) | 67.1 |
Willingness to pay (HK$ per month) for using once-daily oral pill as PrEP (among those with willingness to take PrEP in the next six months, n = 56) | |
≤ 300 | 24.2 |
301–500 | 14.3 |
501–1000 | 18.6 |
1000–2000 | 21.4 |
2001–4000 | 17.1 |
4001–6000 | 2.9 |
6001–8000 | 1.4 |
> 8000 | 0.0 |
Perceptions related to PrEP based on the TPB | |
Positive attitudes toward PrEP (% agree) | |
PrEP can reduce your chance of HIV infection during SDU | 81.4 |
PrEP would reduce your worry of HIV infection when having condomless sex during SDU | 64.3 |
PrEP provides you more choice for HIV prevention | 84.3 |
Positive Attitude Scalea | 8.1 (1.3) |
Negative attitudes toward PrEP (% agree) | |
Psychoactive substances that are used during SDU would reduce the protective effect of PrEP | 17.1 |
Psychoactive substances that are used during SDU would aggravate the side-effects of PrEP | 30.0 |
Psychoactive substances that are used during SDU would make you forget to take PrEP | 28.6 |
Daily use of PrEP would cause severe financial burden for you | 80.0 |
You will be stigmatized by medical professionals when you are using PrEP-related services | 37.1 |
Negative Attitude Scaleb | 10.2 (2.2) |
Perceived subjective norm related to PrEP | |
People who are important to you will support you to use PrEP | |
Disagree/neutral | 32.9 |
Agree | 67.1 |
Perceived behavioral control to use PrEP | |
In general, you are confident in taking PrEP every day in the next six months | |
Strongly disagree/disagree/neutral | 35.7 |
Agree/strongly agree | 64.3 |