| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 4213 |
71.6%
|
| 2 | mild | 1157 |
19.7%
|
| 3 | moderate | 389 |
6.6%
|
| 4 | severe | 100 |
1.7%
|
| 5 | extreme /cannot do | 21 |
0.4%
|
| 97 | 1 |
0%
|
|
| Sysmiss | 10 |