| Value | Category | Cases | |
|---|---|---|---|
| 1 | NO DIFFICULTY | 1680 |
78%
|
| 2 | SOME DIFFICULTY | 146 |
6.8%
|
| 3 | A LOT OF DIFFICULTY | 35 |
1.6%
|
| 4 | CANNOT WALK/CLIMB STEPS AT ALL | 5 |
0.2%
|
| Sysmiss | 287 |
13.3%
|