Community-Based Surveys for Determining the Prevalence of HIV, Chlamydia, and Gonorrhoea in Men Having Sex with Men in Hong Kong
Table 1
Characteristics of all respondents.
All respondents () (%)
Infected individuals
HIV () (%)
CT/NG () (%)
Demographics
Age
≤20
95 (9.6)
2 (5.6)
3 (6.1)
21–30
417 (42.0)
17 (47.2)
21 (42.9)
31–40
327 (32.9)
13 (36.1)
20 (40.8)
≥41
155 (15.6)
4 (11.2)
5 (10.2)
Median age (±SD)
30 (±9.4)
30 (±10.2)
31 (±7.0)
Mode of recruitment
Venue
816 (82.1)
30 (83.3)
43 (87.8)*
Internet
178 (17.9)
6 (16.7)
6 (12.2)
Ethnicity
Chinese
895 (90.0)
32 (88.9)
45 (91.8)
Non-Chinese Asian
36 (3.6)
2 (5.6)
2 (4.1)
White
44 (4.4)
2 (5.6)
1 (2.0)
Others
19 (1.9)
—
1 (2.0)
Highest Education attained
Primary or below
7 (0.7)
—
—
Secondary/post-secondary education†
468 (47.1)
24 (66.7)
24 (49.0)
University or above
515 (51.8)
12 (33.3)
25 (51.0)
Others
4 (0.4)
—
—
Time of last HIV test
≤3 months
144 (14.5)
5 (13.9)
9 (18.4)
3–12 months
255 (25.7)
16 (44.4)
21 (42.9)
>12 months
245 (24.6)
5 (13.9)
9 (18.4)
Never/Refused to answer
350 (35.2)
10 (27.8)
10 (20.4)
Attitude on HIV
Self report HIV status
Positive
5 (0.5)
3 (8.3)
—
Negative
520 (52.3)
17 (47.2)
29 (59.2)
Refused to answer
469 (47.2)
16 (44.4)
20 (40.8)
Perceived HIV risk
No to small risk
833 (83.8)
21 (58.3)
37 (75.5)
Some to high risk
130 (13.1)
8 (22.2)
8 (16.3)
Missing
31 (3.1)
7 (19.4)
4 (8.2)
Concurrent diseases infection
CT
—
4 (11.1)
—
NG
—
0
—
Overall diseases prevalence (%) [95% CI]
#
HIV
3.6 [2.6–5.0]
—
—
CT
4.7 [3.6–6.2]
—
—
NG
0.2 [0.1–0.7]
—
—
Includes 41 CT infections and 2 NG infection. †Post-secondary education includes associate degree, diploma, or other certificate courses.
#After adjusting by weighting the actual number of specimens received from each venue with the enumerated target sample size of each venue, disease prevalence for venue survey: HIV: 4.1% (3.4–4.9); CT: 5.1% (4.4–5.9); NG: 0.2% (0.1–0.9).
