| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 459 |
52.5%
|
| 2 | SOME DIFFICULTY | 71 |
8.1%
|
| 3 | A LOT OF DIFFICULTY | 9 |
1%
|
| 4 | CANNOT WALK AT ALL | 1 |
0.1%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 333 |
38.1%
|