Table 1.
Characteristics of participants in relation to intravenous injection behavior
| Factor | Injection | Non-injection | Statistics | P value |
|---|---|---|---|---|
| n = 425 | n = 427 | |||
| Age (years) | 56.87 ± 9.23 | 45.96 ± 12.77 | Z = −12.95 | <0.001 |
| Sex (male/female) | 299/126 | 80/347 | χ2 = 229.801 | <0.001 |
| Positive anti-HCV, n (%) | 295 (69.4) | 21 (4.9) | χ2 = 379.699 | <0.001 |
| Positive HCV RNA, n (%) | 222 (52.2) | 5 (1.2) | χ2 = 284.175 | <0.001 |
| Positive anti-HBc, n (%) | 334 (78.6) | 243 (56.9) | χ2 = 45.798 | <0.001 |
| Positive HBsAg, n (%) | 44 (10.4) | 47 (11.0) | χ2 = 0.096 | 0.757 |
| Positive anti-HCV and anti-HBc, n (%) | 242 (56.9) | 14 (3.3) | χ2 = 291.818 | <0.001 |
| Positive HCV RNA and HBsAg, n (%) | 12 (2.8) | 0 (0) | χ2 = 12.229 | <0.001 |