| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 678 |
80.8%
|
| 2 | SOME DIFFICULTY | 64 |
7.6%
|
| 3 | A LOT OF DIFFICULTY | 12 |
1.4%
|
| 4 | CANNOT WALK 500 M AT ALL | 2 |
0.2%
|
| 9 | NO RESPONSE | 4 |
0.5%
|
| Sysmiss | 79 |
9.4%
|