| Value | Category | Cases | |
|---|---|---|---|
| 1 | No problem | 14190 |
82.3%
|
| 2 | Slightly difficult | 2160 |
12.5%
|
| 3 | Very difficult | 798 |
4.6%
|
| 4 | Unable to walk or lift legs | 93 |
0.5%
|