| Value | Category | Cases | |
|---|---|---|---|
| 1 | severe | 20 |
2.9%
|
| 2 | moderate | 20 |
2.9%
|
| 3 | not a problem | 612 |
89.2%
|
| 4 | don't know | 34 |
5%
|
| 9 | not applicable/miss | 0 |
0%
|
| Sysmiss | 923 |