| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 4 |
36.4%
|
| 2 | SOME DIFFICULTY | 2 |
18.2%
|
| 3 | A LOT OF DIFFICULTY | 1 |
9.1%
|
| 4 | CANNOT WALK 100 M AT ALL | 4 |
36.4%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 9406 |