| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4079 |
73%
|
| 2 | mild | 981 |
17.6%
|
| 3 | moderate | 389 |
7%
|
| 4 | severe | 119 |
2.1%
|
| 5 | extreme /cannot do | 16 |
0.3%
|
| 97 | 1 |
0%
|
|
| Sysmiss | 306 |