| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4360 |
73.4%
|
| 2 | mild | 987 |
16.6%
|
| 3 | moderate | 448 |
7.5%
|
| 4 | severe | 111 |
1.9%
|
| 5 | extreme/cannot do | 34 |
0.6%
|
| Sysmiss | 545 |