| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 439 |
64.3%
|
| 2 | SOME DIFFICULTY | 144 |
21.1%
|
| 3 | A LOT OF DIFFICULTY | 50 |
7.3%
|
| 4 | CANNOT WALK AT ALL | 48 |
7%
|
| 9 | NO RESPONSE | 2 |
0.3%
|
| Sysmiss | 32715 |