| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 515 |
9.4%
|
| 2 | mild | 460 |
8.4%
|
| 3 | moderate | 274 |
5%
|
| 4 | severe | 120 |
2.2%
|
| 5 | extreme /cannot do | 14 |
0.3%
|
| 7 | 1 |
0%
|
|
| 9 | 4085 |
74.7%
|
|
| Sysmiss | 1 |