| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 488 |
8.9%
|
| 2 | mild | 467 |
8.5%
|
| 3 | moderate | 287 |
5.2%
|
| 4 | severe | 131 |
2.4%
|
| 5 | extreme /cannot do | 9 |
0.2%
|
| 7 | 1 |
0%
|
|
| 9 | 4085 |
74.7%
|
|
| 95 | 1 |
0%
|
|
| Sysmiss | 1 |