| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 1 |
0.4%
|
| 2 | Became somewhat worse | 11 |
4.9%
|
| 3 | Stayed the same | 21 |
9.3%
|
| 4 | Became somewhat better | 79 |
35%
|
| 5 | Became significantly better | 64 |
28.3%
|
| 6 | Don't know | 50 |
22.1%
|
| Sysmiss | 212 |