| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 152 |
83.5%
|
| 2 | SOME DIFFICULTY | 11 |
6%
|
| 3 | A LOT OF DIFFICULTY | 8 |
4.4%
|
| 4 | CANNOT WALK AT ALL | 10 |
5.5%
|
| 9 | NO RESPONSE | 1 |
0.5%
|
| Sysmiss | 16507 |