TABLE 3.
Distribution of mutually exclusive risk factors for acute hepatitis C in four health regions, 1998 to 1999, among those who have been interviewed (72 of 102, 71%)
| Risk factors | Number of cases | Percentage of all cases | Percentage of cases with known risk factors |
|---|---|---|---|
| Injection drug use | 36 | 50.0 | 63.2 |
| Drug snorting | 3 | 4.2 | 5.3 |
| Occupational blood contact | 2 | 2.8 | 3.5 |
| Blood transfusion | 1 | 1.4 | 1.8 |
| Hemodialysis | 1 | 1.4 | 1.8 |
| Tattooing | 2 | 2.8 | 3.5 |
| Body piercing | 2 | 2.8 | 3.5 |
| Incarceration | 2 | 2.8 | 3.5 |
| Sex with hepatitis C carriers | 2 | 2.8 | 3.5 |
| Hepatitis C carrier in family | 3 | 4.2 | 5.3 |
| Hospitalization | 1 | 1.4 | 1.8 |
| History of dental visit | 2 | 2.8 | 5.3 |
| Unknown | 15 | 20.8 | |
| Total (exclude unknown) | 57 | 100.0 | |
| Total (include unknown) | 72 | 100.0 |