| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3796 |
71.4%
|
| 2 | mild | 580 |
10.9%
|
| 3 | moderate | 689 |
13%
|
| 4 | severe | 122 |
2.3%
|
| 5 | extreme/cannot do | 50 |
0.9%
|
| 9 | n/a | 80 |
1.5%
|
| Sysmiss | 755 |