| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 971 |
17.8%
|
| 2 | mild | 240 |
4.4%
|
| 3 | moderate | 116 |
2.1%
|
| 4 | severe | 51 |
0.9%
|
| 5 | extreme /cannot do | 5 |
0.1%
|
| 7 | 1 |
0%
|
|
| 9 | 4085 |
74.7%
|
|
| Sysmiss | 1 |