| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 3 |
1.8%
|
| 2 | Became somewhat worse | 8 |
4.7%
|
| 3 | Stayed the same | 33 |
19.4%
|
| 4 | Became somewhat better | 63 |
37.1%
|
| 5 | Became significantly better | 36 |
21.2%
|
| 6 | Don't know | 27 |
15.9%
|
| Sysmiss | 322 |