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
|