| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 2167 |
38.8%
|
| 2 | mild | 1829 |
32.7%
|
| 3 | moderate | 1128 |
20.2%
|
| 4 | severe | 409 |
7.3%
|
| 5 | extreme /cannot do | 51 |
0.9%
|
| 97 | 1 |
0%
|
|
| Sysmiss | 306 |