| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 4477 |
86.7%
|
| 2 | SOME DIFFICULTY | 643 |
12.5%
|
| 3 | A LOT OF DIFFICULTY | 43 |
0.8%
|
| 4 | CANNOT WALK/CLIMB STEPS AT ALL | 1 |
0%
|
| 9 | NO RESPONSE | 0 |
0%
|
| Sysmiss | 662 |