Age (year)
|
|
<25
|
9 (14.5)
|
53 (85.5)
|
1
|
1
|
≥25
|
61 (18.9)
|
262 (81.1)
|
1.37 (0.64–2.93)
|
1.82 (0.71–4.64)
|
Ethnicity
|
|
Han
|
64 (17.8)
|
296 (82.2)
|
1
|
1
|
Other minorities
|
6 (24.0)
|
19 (76.0)
|
1.46 (0.56–3.80)
|
2.00 (0.65–6.15)
|
Marital status
|
|
Married
|
13 (14.9)
|
74 (85.1)
|
1
|
1
|
Unmarried
|
57 (19.1)
|
241 (80.9)
|
1.35 (0.70–2.59)
|
1.64 (0.69–3.89)
|
Educational level
|
|
≤Junior middle school
|
24 (22.2)
|
84 (77.8)
|
1
|
1
|
>Junior middle school
|
46 (16.6)
|
231 (83.4)
|
0.69 (0.40–1.21)
|
0.91 (0.47–1.79)
|
Socioeconomic Disconnection
|
|
Yes
|
8 (20.5)
|
31 (79.5)
|
1
|
1
|
No
|
62 (17.9)
|
284 (82.1)
|
0.85 (0.37–1.93)
|
0.94 (0.35–2.52)
|
Monthly income (RMB)
|
|
≤3000
|
32 (21.9)
|
114 (78.1)
|
1
| |
3001–5000
|
22 (16.3)
|
113 (83.7)
|
0.69 (0.38–1.27)
|
0.62 (0.30–1.28)
|
>5000
|
16 (15.4)
|
88 (84.6)
|
0.65 (0.33–1.26)
|
0.61 (0.26–1.40)
|
Length of stay in Shenzhen (year)
|
|
>2
|
14 (10.8)
|
116 (89.2)
|
1
|
1
|
1–2
|
11 (19.6)
|
45 (80.4)
|
2.03 (0.86–4.79)
|
2.34 (0.81–6.78)
|
<1
|
45 (22.6)
|
154 (77.4)
|
2.42 (1.27–4.62)*
|
2.80 (1.30–6.05)*
|
Having vaginal sexual intercourse
|
|
Yes
|
48 (18.5)
|
212 (81.5)
|
1
|
1
|
No
|
22 (17.6)
|
103 (82.4)
|
0.94 (0.54–1.65)
|
0.83 (0.41–1.68)
|
Age at first anal sexual intercourse (year)
|
|
≥18
|
50 (15.5)
|
272 (84.5)
|
1
|
1
|
<18
|
20 (31.7)
|
43 (68.3)
|
2.53 (1.38–4.66)*
|
2.78 (1.29–5.89)*
|
Having a fixed homosexual partner
|
|
Yes
|
53 (19.5)
|
219 (80.5)
|
1
|
1
|
No
|
17 (15.0)
|
96 (85.0)
|
0.73 (0.40–1.33)
|
0.74 (0.35–1.54)
|
Number of anal sexual partners in the past six months
|
|
≤2
|
22 (13.8)
|
137 (86.2)
|
1
|
1
|
3–5
|
29 (26.6)
|
80 (73.4)
|
2.26 (1.21–4.19)*
|
2.54 (1.19–5.40)*
|
>5
|
19 (16.2)
|
98 (83.8)
|
1.21 (0.62–2.35)
|
1.17 (0.52–2.61)
|
Roles in anal sexual intercourse
|
|
Insertive
|
13 (8.0)
|
149 (92.0)
|
1
|
1
|
Receptive
|
29 (37.2)
|
49 (62.8)
|
6.78 (3.27–14.07)*
|
6.87 (3.02–15.61)*
|
Both
|
26 (19.8)
|
105 (80.2)
|
2.84 (1.39–5.78)*
|
3.65 (1.64–8.09)*
|
Always using condom in anal sexual intercourse in the past six months
|
|
Yes
|
19 (11.4)
|
148 (88.6)
|
1
|
1
|
No
|
48 (24.0)
|
152 (76.0)
|
2.46 (1.38–4.38)*
|
2.13 (1.08–4.19)*
|
HIV–related knowledge
|
|
<6
|
50 (18.5)
|
220 (81.5)
|
1
|
1
|
≥6
|
20 (17.4)
|
95 (82.6)
|
0.92 (0.52–1.84)
|
0.91 (0.47–1.79)
|