| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 3131 |
53.2%
|
| 2 | mild | 1627 |
27.7%
|
| 3 | moderate | 806 |
13.7%
|
| 4 | severe | 264 |
4.5%
|
| 5 | extreme /cannot do | 52 |
0.9%
|
| 97 | 1 |
0%
|
|
| Sysmiss | 10 |