Table 1 Demographic characteristics in patients with HIV infection, HCV infection and HIV/HCV co-infection at the MMTP clients in Southwest China
Characteristics | HIV | HCV | HIV/HCV | |||
|---|---|---|---|---|---|---|
| Â | Number of clients examined | Infection prevalence (%) | Number of clients examined | Infection prevalence (%) | Number of clients examined | Infection prevalence (%) |
Gender | χ 2 = 36.14, P < 0.0001 | χ 2 = 0.78, P = 0.378 | χ 2 = 8.29, P = 0.004 | |||
 Female | 928 | 17.2 | 866 | 32.1 | 825 | 8.0 |
 Male | 5560 | 26.5 | 4762 | 30.6 | 4601 | 11.4 |
Age (years) | χ trend 2 = 29.77, P < 0.0001 | χ trend 2 = 4.87, P = 0.027 | χ trend 2 = 9.56, P = 0.002 | |||
 <30 | 2885 | 27.5 | 2452 | 31.0 | 2376 | 11.9 |
 30- | 2773 | 24.7 | 2445 | 32.3 | 2338 | 10.8 |
 40- | 740 | 20.1 | 654 | 26.2 | 635 | 8.5 |
 ≥50 | 90 | 6.7 | 77 | 18.2 | 77 | 2.6 |
Ethnicity | χ 2 = 186.89, P < 0.0001 | χ 2 = 198.53, P < 0.0001 | χ 2 = 31.28, P < 0.0001 | |||
 Yi | 5381 | 28.5 | 4492 | 26.5 | 4386 | 12.0 |
 Han | 1058 | 8.6 | 1089 | 48.2 | 997 | 5.9 |
 Other | 49 | 18.4 | 47 | 44.7 | 43 | 9.3 |
County (the proportion of the Yi (%)) | χ trend 2 = 198.30, P < 0.0001 | χ trend 2 = 276.11, P < 0.0001 | χ trend 2 = 5.37, P = 0.021 | |||
 <25 | 1072 | 10.7 | 1117 | 44.8 | 1011 | 7.1 |
 25- | 187 | 12.3 | 174 | 30.5 | 169 | 8.3 |
 50- | 1305 | 23.6 | 1244 | 44.0 | 1222 | 16.2 |
 ≥75 | 3824 | 30.9 | 2994 | 18.9 | 2925 | 10.2 |
Route of drug use | χ 2 = 426.07, P < 0.0001 | χ 2 = 334.83, P < 0.0001 | χ 2 = 199.43, P < 0.0001 | |||
 Smoking or sniffing | 4050 | 16.3 | 3589 | 22.1 | 3486.0 | 6.3 |
 Pure injection | 1114 | 36.5 | 984 | 48.3 | 910.0 | 18.5 |
 Injection mixed with other | 1413 | 40.6 | 1141 | 41.9 | 1115.0 | 18.6 |
 Sharing syringes | χ 2 = 435.43, P < 0.0001 | χ 2 = 103.30, P < 0.0001 | χ 2 = 162.66, P < 0.0001 | |||
 Yes | 1176 | 49.1 | 1017 | 44.1 | 915 | 22.8 |
 No | 5312 | 19.9 | 4611 | 27.9 | 4511 | 8.4 |