| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 827 |
55.1%
|
| 2 | SOME DIFFICULTY | 352 |
23.5%
|
| 3 | A LOT OF DIFFICULTY | 96 |
6.4%
|
| 4 | CANNOT WALK / CLIMB STEPS AT ALL | 2 |
0.1%
|
| 9 | NO RESPONSE | 1 |
0.1%
|
| Sysmiss | 222 |
14.8%
|