|
General characteristics of the study population (N = 5128), their bivariate association with HIV-1 antibody status, and results from random effects multiple regression model. |
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| Variables |
Number |
% |
HIV+ |
p* |
OR (95% CI) |
p |
|
|
|
|||||||
| Sample source |
Detoxification center |
2871 |
56.0 |
5.8 |
0.002 |
1 |
|
| Community |
1621 |
31.6 |
4.0 |
0.77 (0.55–1.09) |
0.143 |
||
| Others1 |
636 |
12.4 |
7.6 |
0.66 (0.46–0.93) |
0.019 |
||
| Gender |
Male |
4348 |
84.8 |
5.5 |
0.940 |
1 |
|
| Female |
780 |
15.2 |
5.4 |
0.73 (0.50–1.07) |
0.111 |
||
| Age |
<= 30 |
2676 |
52.2 |
6.2 |
0.012 |
1.04 (0.80–1.36) |
0.750 |
| > 30 |
2452 |
47.8 |
4.6 |
1 |
|||
| Marital status |
live without partner |
2821 |
55.0 |
5.1 |
0.195 |
1 |
|
| live with partner |
2307 |
45.0 |
5.9 |
1.00 (0.79–1.27) |
0.991 |
||
| Place of residence |
Local |
4393 |
85.7 |
5.9 |
< 0.001 |
1 |
|
| Transient |
735 |
14.3 |
2.5 |
1.27 (0.64–2.51) |
0.490 |
||
| Nation |
Han |
3794 |
74.0 |
2.9 |
< 0.001 |
1 |
|
| Minority |
1334 |
26.0 |
12.7 |
1.38 (0.93–2.04) |
0.107 |
||
| Education |
<= 9 years |
1710 |
33.4 |
9.0 |
< 0.001 |
1 |
|
| > 9 years |
3418 |
66.6 |
3.7 |
1.17 (0.89–1.53) |
0.250 |
||
| Profession |
white collar |
1744 |
34.0 |
8.6 |
< 0.001 |
1.18 (0.85–1.64) |
0.313 |
| blue collar |
3384 |
66.0 |
3.8 |
1 |
|||
| Monthly income |
<= 600 |
2147 |
41.9 |
6.9 |
< 0.001 |
1 |
|
| 601–2000 |
1127 |
22.0 |
4.5 |
1.56 (1.13–2.15) |
0.007 |
||
| > 2000 |
313 |
6.1 |
1.9 |
0.51 (0.24–1.08) |
0.080 |
||
| Missing |
1541 |
30.1 |
4.7 |
1.05 (0.79–1.39) |
0.751 |
||
| Age at first drug use |
<= 30 |
4189 |
81.7 |
5.5 |
0.05 |
1 |
|
| > 30 |
707 |
13.8 |
4.1 |
0.71 (0.48–1.05) |
0.088 |
||
| Missing |
232 |
4.5 |
1.6 |
0.79 (0.38–1.65) |
0.532 |
||
| IDU and sharing needles (ever) |
no IDU |
2411 |
47.0 |
3.7 |
< 0.001 |
1 |
|
| IDU, no sharing of needles |
1506 |
29.4 |
4.9 |
1.89 (1.37–2.61) |
< 0.001 |
||
| IDU, sharing needles |
1211 |
23.6 |
9.5 |
3.15 (2.29–4.33) |
< 0.001 |
||
| Having commercial sex in last 12 months |
No |
4455 |
86.9 |
5.5 |
0.148 |
1 |
|
| Yes |
85 |
1.7 |
9.4 |
1.33 (0.66–2.70) |
0.4265 |
||
| Missing information |
588 |
11.5 |
4.4 |
0.73 (0.50–1.06) |
0.102 |
||
| STD symptoms in last 12 months |
No |
4418 |
86.2 |
5.3 |
0.338 |
1 |
|
| Yes |
710 |
13.9 |
6.2 |
0.76 (0.55–1.05) |
0.100 |
||
|
1Outreach programs, contacts of known IDU, unknown. p* Chi-Square | |||||||
Kretzschmar et al. BMC Infectious Diseases 2008 8:108 doi:10.1186/1471-2334-8-108 |
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