| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 498 |
72.9%
|
| 3 | A LOT OF DIFFICULTY | 123 |
18%
|
| 4 | CANNOT WALK AT ALL | 58 |
8.5%
|
| 9 | NO RESPONSE | 4 |
0.6%
|
| Sysmiss | 32715 |