| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 2 |
0.6%
|
| 2 | Became somewhat worse | 15 |
4.8%
|
| 3 | Stayed the same | 29 |
9.3%
|
| 4 | Became somewhat better | 113 |
36.2%
|
| 5 | Became significantly better | 74 |
23.7%
|
| 6 | Don't know | 79 |
25.3%
|
| Sysmiss | 126 |