| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1819 |
62.4%
|
| 2 | SOME DIFFICULTY | 143 |
4.9%
|
| 3 | A LOT OF DIFFICULTY | 7 |
0.2%
|
| 4 | CANNOT WALK/CLIMB STEPS AT ALL | 2 |
0.1%
|
| 9 | NO RESPONSE | 2 |
0.1%
|
| Sysmiss | 943 |
32.3%
|