| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4341 |
81.7%
|
| 2 | mild | 343 |
6.5%
|
| 3 | moderate | 460 |
8.7%
|
| 4 | severe | 112 |
2.1%
|
| 5 | extreme/cannot do | 9 |
0.2%
|
| 9 | n/a | 50 |
0.9%
|
| Sysmiss | 757 |