Table 3 Injection sites
From: Predictors of skin and soft tissue infections among sample of rural residents who inject drugs
Variable | History of skin and soft tissue infection | p value | Odds ratio | ||
|---|---|---|---|---|---|
Yes (n = 18) | No (n = 62) | ||||
n (%) | n (%) | ||||
Find vein on first injection attempt | Always | 3 (16.7) | 23 (37.1) | 0.037** | Ref |
| Â | Most of the time | 8 (44.4) | 25 (40.3) | Â | 1.66 each decrease in freq |
| Â | Sometimes | 1 (5.6) | 7 (11.3) | Â | Â |
| Â | Rarely | 4 (22.2) | 4 (6.5) | Â | Â |
| Â | Never | 2 (11.1) | 2 (3.2) | Â | Â |
Anatomical injection location | Cubital fossa | 8 (44.4) | 26 (41.9) | 0.831 (overall) | Ref |
| Â | Forearm | 4 (22.2) | 22 (35.5) | Â | 0.59 |
| Â | Hand | 2 (11.1) | 5 (8.1) | Â | 1.3 |
| Â | Upper arm | 2 (11.1) | 4 (6.5) | Â | 1.3 |
| Â | Other | 2 (11.1) | 5 (8.1) | Â | 1.62 |
Injection type (multiple selection) | Vein | 16 (88.9) | 59 (93.8) | 0.333 | 0.41 |
| Â | Skin | 3 (16.7) | 2 (3.2) | 0.038** | 6 |
| Â | Muscle | 4 (22.2) | 1 (1.6) | 0.001** | 17.4 |
|  | I don’t know | 1 (5.6) | 0 (0.0) | 0.062* |  |
| Â | Prefer not to answer | 0 (0.0) | 1 (1.6) | 0.588 | Â |
Injection frequency |  > 3 × daily | 5 (27.8) | 11 (17.7) | 0.892 |  |
|  | 2–3 × daily | 3 (16.7) | 15 (24.2) |  |  |
| Â | Daily | 1 (5.6) | 8 (12.9) | Â | Â |
|  |  > Weekly | 3 (16.7) | 11 (17.7) |  |  |
| Â | Weekly | 1 (5.6) | 7 (11.3) | Â | Â |
|  |  > Once in past 30 days | 2 (11.1) | 5 (8.1) |  |  |
| Â | Once in past 30Â days | 2 (11.1) | 4 (6.5) | Â | Â |