| Value | Category | Cases | |
|---|---|---|---|
| 2 | SOME DIFFICULTY | 593 |
84.6%
|
| 3 | A LOT OF DIFFICULTY | 87 |
12.4%
|
| 4 | CANNOT WALK 100 M AT ALL | 20 |
2.9%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 16843 |