| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 191 |
74.3%
|
| 3 | A LOT OF DIFFICULTY | 29 |
11.3%
|
| 4 | CANNOT WALK AT ALL | 28 |
10.9%
|
| 9 | NO RESPONSE | 9 |
3.5%
|
| Sysmiss | 30846 |