Characteristics | HIV | HBV | HCV | TPHA | |||||
---|---|---|---|---|---|---|---|---|---|
 |  | OR | 95%CI* | OR | 95%CI* | OR | 95%CI* | OR | 95%CI* |
Centre | centre no. 1 | 1 | Â | Â | Â | 1 | Â | Â | Â |
 | centre no. 2 | 1.71 | (0.37,7.99) | - | - | 6.63 | (1.26,34.98) | - | - |
 | centre no. 3 | 1.85 | (0.54, 6.27) | - | - | 2.52 | (1.09,5.85) | - | - |
 | centre no. 4 | 1.73 | (0.49, 6.07) | - | - | 13.23 | (2.73,64.17) | - | - |
 | centre no. 5 | 1.44 | (0.48, 4.33) | - | - | 3.74 | (1.54,9.06) | - | - |
 | centre no. 6 | 1.74 | (0.44, 6.97) | - | - | 6.88 | (1.72,27.56) | - | - |
 | centre no. 7 | 1.26 | (0.25, 6.39) | - | - | - | - | - | - |
 | centre no. 8 | 0.94 | (0.22, 3.99) | - | - | 1.93 | (0.67,5.62) | - | - |
 | centre no. 9 | 1.53 | (0.47, 5.01) | - | - | 2.93 | (1.25,6.83) | - | - |
 | centre no. 10 | 3.84 | (0.89, 16.53) | - | - | 1.13 | (0.36,3.62) | - | - |
 | centre no. 11 | - | - | - | - | 1.41 | (0.44,4.52) | - | - |
 | centre no. 12 | 2.91 | (0.64, 13.25) | - | - | 11.69 | (1.31,104.25) | - | - |
 | centre no. 13 | 1.05 | (0.33, 3.41) | - | - | 2.06 | (0.99, 4.29) | - | - |
 | centre no. 14 | 0.65 | (0.06, 6.45) | - | - | 2.49 | (0.77, 8.08) | - | - |
 | centre no. 15 | 0.61 | (0.14, 2.64) | - | - | 1.58 | (0.65, 3.86) | - | - |
 | centre no. 16 | 0.85 | (0.27, 2.65) | - | - | 0.77 | (0.37, 1.58) | - | - |
Age | one year increase | 1.01 | (0.95, 1.07) | 1.01 | (0.97, 1.05) | 0.99 | (0.95, 1.03) | 1.00 | (0.87, 1.15) |
Sex | Female | 1 | Â | 1 | Â | 1 | Â | 1 | Â |
 | Male | 0.64 | (0.37, 1.11) | 1.14 | (0.70, 1.87) | 0.75 | (0.44, 1.29) | 0.22 | (0.07, 0.74)†|
Duration of the drug use | one year increase | 1.14 | (1.08, 1.21)†| 1.13 | (1.09, 1.18)†| 1.19 | (1.14,1.24)†| 1.14 | (1.00, 1.31)†|
Education | Primary | 1 | Â | 1 | Â | 1 | Â | 1 | Â |
 | Middle | 0.68 | (0.35, 1.31) | 1.18 | (0.66, 2.11) | 1.83 | (0.92, 3.61) | 0.91 | (0.18, 4.72) |
 | Vocational | 0.42 | (0.16, 1.07) | 0.95 | (0.44, 2.06) | 1.24 | (0.56, 2.75) | 1.17 | (0.16, 8.70) |
 | Secondary or higher | 0.48 | (0.19, 1.20) | 0.57 | (0.27, 1.22) | 1.26 | (0.56, 2.83) | 0.51 | (0.04, 6.44) |
Employment | Employed | 1 | Â | 1 | Â | 1 | Â | 1 | Â |
 | Unemployed | 1.86 | (1.13, 3.05)†| 1.62 | (0.98, 2.67) | 1.62 | (0.92, 2.85) | 3.73 | (1.26,11.03)†|
 | Other | 3.52 | (1.63, 7.61)†| 0.92 | (0.37, 2.24) | 0.94 | (0.56, 1.58) | 1.47 | (0.16, 8.70) |
Living status | Parents | 1 | Â | 1 | Â | 1 | Â | 1 | Â |
 | Partner | 1.52 | (0.69, 3.38) | 1.18 | (0.66, 2.11) | 0.94 | (0.56, 1.58) | 0.52 | (0.10, 2.61) |
 | Alone | 1.05 | (0.56, 1.96) | 0.88 | (0.52, 1.48) | 1.67 | (0.39, 5.66) | - | - |
 | Friends | 0.58 | (0.06, 5.25) | 1.59 | (0.43, 5.86) | 1.48 | (0.93, 2.98) | 0.86 | (0.20, 3.75) |
Partner | Steady, non D.U. | 1 | Â | 1 | Â | 1 | Â | 1 | Â |
 | Steady and D.U. | 1.80 | (0.98, 3.32) | 1.28 | (0.76, 2.17) | 1.97 | (1.16,3.36)†| 0.23 | (0.04, 1.21) |
 | No partner | 1.73 | (0.79, 3.80) | 1.32 | (0.77, 2.26) | 1.38 | (0.86, 2.23) | 0.43 | (0.10, 1.92) |