| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 11003 |
77%
|
| 2 | SOME DIFFICULTY | 705 |
4.9%
|
| 3 | A LOT OF DIFFICULTY | 70 |
0.5%
|
| 4 | CANNOT WALK/ CLIMB STEPS AT ALL | 5 |
0%
|
| 9 | NO RESPONSE | 7 |
0%
|
| Sysmiss | 2507 |
17.5%
|