| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2065 |
37%
|
| 2 | mild | 1991 |
35.6%
|
| 3 | moderate | 1117 |
20%
|
| 4 | severe | 371 |
6.6%
|
| 5 | extreme /cannot do | 40 |
0.7%
|
| 97 | 1 |
0%
|
|
| Sysmiss | 306 |