Table 1. Demographics and Drug-Injecting Behavior of Exposed Seronegative Aviremic and Chronically Infected IDU Cohorts.
| Exposed Seronegative Aviremic n (%) | Chronic IDU n (%) | P Value | |
|---|---|---|---|
| Number of patients | 48 | 257 | |
| Sex (male) | 39 (81%) | 187 (72.8%) | 0.22 |
| Age (years) | 28.8 ± 5.2 | 43.9 ± 9.8 | <0.001 |
| Caucasian | 48 (100) | 243 (94.6%) | 0.14 |
| Age at first injection drug use (years) | 19 ± 5 | – | |
| Duration of injection drug use (years) | 8.4 ± 7.5 (0.5-24) | – | |
| Lifetime injection episodes (median n) | 4380 (36-17,520) | – | |
| Frequency of injection drug use ( n) | |||
| 4-6 times a day | 2 (4%) | – | |
| 2-3 times a day | 33 (69%) | ||
| Daily | 8 (17%) | ||
| Every few days/weekly | 3 (6%) | ||
| Monthly or less | 2 (4%) | ||
| Currently using (n) | 13 (27%) | – | |
| Sharing behavior (n) | |||
| Any sharing | 48 (100%) | – | |
| Shared needles | 44(91.7%) | ||
| Shared syringes | 42 (87.5%) | ||
| Shared other drug injecting paraphernalia | 46 (95.8%) | ||
| Shared with someone known to have HCV infection | 19 (39.5%) |