| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 3 |
0.7%
|
| 2 | Became somewhat worse | 12 |
2.6%
|
| 3 | Stayed the same | 68 |
14.9%
|
| 4 | Became somewhat better | 199 |
43.5%
|
| 5 | Became significantly better | 128 |
28%
|
| 6 | Don't know | 47 |
10.3%
|
| Sysmiss | 35 |