| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4605 |
86.6%
|
| 2 | mild | 309 |
5.8%
|
| 3 | moderate | 356 |
6.7%
|
| 4 | severe | 39 |
0.7%
|
| 5 | extreme/cannot do | 6 |
0.1%
|
| 9 | n/a | 1 |
0%
|
| Sysmiss | 756 |