| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 1 |
0.6%
|
| 2 | Became somewhat worse | 9 |
5.7%
|
| 3 | Stayed the same | 48 |
30.2%
|
| 4 | Became somewhat better | 33 |
20.8%
|
| 5 | Became significantly better | 8 |
5%
|
| 6 | Don't know | 60 |
37.7%
|
| Sysmiss | 47 |