| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 4622 |
92.8%
|
| 2 | SOME DIFFICULTY | 150 |
3%
|
| 3 | A LOT OF DIFFICULTY | 17 |
0.3%
|
| 4 | CANNOT WALK 100 M/Y AT ALL | 3 |
0.1%
|
| 9 | NO RESPONSE | 4 |
0.1%
|
| Sysmiss | 187 |
3.8%
|