| Value | Category | Cases | |
|---|---|---|---|
| 0 | I have no problems doing my usual activities | 5578 |
93.1%
|
| 1 | I have slight problems | 344 |
5.7%
|
| 2 | I have moderate problems | 44 |
0.7%
|
| 3 | I have severe problems | 17 |
0.3%
|
| 4 | I am unable to do my usual activities | 7 |
0.1%
|
| Sysmiss | 1171 |