| Value | Category | Cases | |
|---|---|---|---|
| 1 | Carelessness or error | 36 |
85.7%
|
| 2 | Lack of knowledge about the use of the appliance | 1 |
2.4%
|
| 3 | Faulty wiring/connection | 3 |
7.1%
|
| 555 | Other, specify | 2 |
4.8%
|
| Sysmiss | 2354 |