| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 712 |
75.7%
|
| 2 | SOME DIFFICULTY | 183 |
19.4%
|
| 3 | A LOT OF DIFFICULTY | 33 |
3.5%
|
| 4 | CANNOT WALK AT ALL | 13 |
1.4%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 24697 |