Table 2 Univariate and multivariable analysis for HIV infection among PWIDs in China, 2008–2016
Characteristics | HIV n (%) | Prevalence (%) | OR (95%CI) | AOR (95%CI) |
|---|---|---|---|---|
Total | 5167 (100.0) | 5.0 | ||
Sex | ||||
Male | 4589 (88.8) | 5.0 | 1.00 | 1.00 |
Female | 578 (11.2) | 5.2 | 0.95 (0.87–1.04) | 1.27 (1.15–1.39)*** |
Age | ||||
~ 24 | 270 (5.2) | 3.1 | 1.00 | 1.00 |
25–44 | 4180 (80.9) | 5.2 | 1.71 (1.51–1.94)*** | 2.31 (2.03–2.64)*** |
45 ~ | 715 (13.8) | 5.0 | 1.64 (1.42–1.89)*** | 2.57 (2.20–3.00)*** |
Missing | 2 (0.0) | 18.2 | 6.95 (1.49–32.30)* | 7.84 (1.48–40.57)* |
Ethnicity | ||||
Han | 3584 (69.4) | 4.1 | 1.00 | 1.00 |
Minority | 1419 (27.5) | 12.3 | 3.29 (3.08–3.51)*** | 2.61 (2.43–2.80)*** |
Missing | 164 (3.2) | 3.9 | 0.95 (0.81–1.11) | 0.96 (0.81–1.13) |
Education | ||||
High school or above | 334 (6.5) | 2.9 | 1.00 | 1.00 |
Junior high school | 2728 (52.8) | 4.2 | 1.49 (1.33–1.67)*** | 1.41 (1.26–1.59)*** |
Primary school or below | 1965 (38.0) | 7.7 | 2.82 (2.51–3.18)*** | 2.00 (1.77–2.26)*** |
Missing | 140 (2.7) | 6.2 | 2.22 (1.81–2.72)*** | 2.01 (1.36–2.97)*** |
Marital status | ||||
Married | 2106 (40.8) | 4.5 | 1 | 1 |
Unmarried | 2389 (46.2) | 5.4 | 1.23 (1.16–1.30)*** | 1.20 (1.13–1.28)*** |
Divorced/widows | 562 (10.9) | 5.1 | 1.15 (1.05–1.27)** | 1.08 (0.98–1.20) |
Missing | 110 (2.1) | 6.3 | 1.43 (1.17–1.75)*** | 1.25 (0.82–1.92) |
Drug types | ||||
Opioids | 5139 (99.5) | 5.0 | 1.00 | 1.00 |
Other types | 28 (0.5) | 3.6 | 0.72 (0.49–1.05) | 0.86 (0.58–1.27) |
Methadone treatment status | ||||
No | 3921 (75.9) | 4.8 | 1.00 | 1.00 |
Yes | 1246 (24.1) | 5.9 | 1.25 (1.17–1.34)*** | 1.59 (1.49–1.71)*** |
Year | ||||
2008 | 406 (7.9) | 4.9 | 1.00 | 1.00 |
2009 | 775 (15.0) | 4.3 | 0.87 (0.77–0.98)* | 0.97 (0.85–1.10) |
2010 | 486 (9.4) | 3.3 | 0.67 (0.58–0.76)*** | 0.74 (0.64–0.85)*** |
2011 | 425 (8.2) | 3.7 | 0.74 (0.65–0.86)*** | 0.77 (0.67–0.89)*** |
2012 | 481 (9.3) | 4.4 | 0.90 (0.78–1.03) | 0.82 (0.71–0.94)** |
2013 | 616 (11.9) | 5.1 | 1.04 (0.91–1.18) | 0.81 (0.70–0.92)** |
2014 | 748 (14.5) | 6.0 | 1.24 (1.10–1.41)** | 0.95 (0.83–1.08) |
2015 | 862 (16.7) | 7.8 | 1.64 (1.45–1.85)*** | 1.14 (1.00–1.30)* |
2016 | 368 (7.1) | 8.6 | 1.83 (1.58–2.12)*** | 1.28 (1.09–1.49)** |
Region | ||||
Southwest | 2285 (44.2) | 13.2 | 1.00 | 1.00 |
Northwest | 333 (6.4) | 5.8 | 0.41 (0.36–0.46)*** | 0.42 (0.37–0.47)*** |
South | 1556 (30.1) | 5.0 | 0.34 (0.32–0.37)*** | 0.39 (0.36–0.41)*** |
Northeast | 128 (2.5) | 8.1 | 0.58 (0.48–0.70)*** | 0.74 (0.61–0.89)** |
Central | 321 (6.2) | 1.7 | 0.11 (0.10–0.13)*** | 0.14 (0.12–0.16)*** |
North | 158 (3.1) | 3.3 | 0.23 (0.19–0.27)*** | 0.26 (0.22–0.31)*** |
East | 386 (7.5) | 1.6 | 0.11 (0.10–0.12)*** | 0.13 (0.12–0.15)*** |