| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 757 |
13.8%
|
| 2 | mild | 298 |
5.4%
|
| 3 | moderate | 190 |
3.5%
|
| 4 | severe | 124 |
2.3%
|
| 5 | extreme/cannot do | 14 |
0.3%
|
| 7 | 1 |
0%
|
|
| 9 | 4085 |
74.7%
|
|
| Sysmiss | 1 |