| Value | Category | Cases | |
|---|---|---|---|
| 1 | born with it | 197 |
21.5%
|
| 2 | illness | 401 |
43.8%
|
| 3 | accident | 64 |
7%
|
| 4 | age related reasons | 152 |
16.6%
|
| 5 | as a result of violence | 3 |
0.3%
|
| 6 | other | 23 |
2.5%
|
| 8 | don't know | 75 |
8.2%
|
| Sysmiss | 43699 |