| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 2 |
0.6%
|
| 2 | Became somewhat worse | 12 |
3.9%
|
| 3 | Stayed the same | 61 |
19.8%
|
| 4 | Became somewhat better | 102 |
33.1%
|
| 5 | Became significantly better | 90 |
29.2%
|
| 6 | Don't know | 41 |
13.3%
|
| Sysmiss | 184 |