| Variable | Effective | Percentage data |
| Antecedent of exposure accidents to blood (n = 384) |
|
|
| Present | 312 | 81.3 |
| Absent | 72 | 18.7 |
| Nature of the exposure accidents to blood (n = 312) |
|
|
| Needle sting | 242 | 77.6 |
| Cutting a knife blade | 41 | 13.1 |
| Projection of blood or biological fluid contaminated with blood | 29 | 9.3 |
| Nature of the sting or cut (n = 283) |
|
|
| Superficial | 256 | 90.4 |
| Deep | 27 | 9.6 |
| Post-exposure prophylaxis (n = 312) |
|
|
| Antiretroviral | 37 | 11.9 |
| Nothing | 275 | 88.1 |
| Circumstances of occurrence of exposure accidents to blood (n = 312) |
|
|
| When recapping needles | 191 | 61.3 |
| More work / less staff | 66 | 21.1 |
| Inexperienced health professional | 9 | 2.3 |
| When disposing of medical waste | 17 | 5.4 |
| In some very difficult care situations | 29 | 9.3 |
| Task in progress at exposure accidents to blood (n = 312) |
|
|
| Injection | 122 | 39.1 |
| Drip | 19 | 6 |
| Transfusion | 34 | 10.9 |
| Blood sample | 19 | 6 |
| Delivery | 37 | 11.9 |
| Surgery | 64 | 20.5 |
| Maintenance of premises and leaching | 17 | 5.4 |