| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 5 |
1.6%
|
| 2 | Became somewhat worse | 7 |
2.2%
|
| 3 | Stayed the same | 58 |
18.6%
|
| 4 | Became somewhat better | 101 |
32.4%
|
| 5 | Became significantly better | 70 |
22.4%
|
| 6 | Don't know | 71 |
22.8%
|
| Sysmiss | 126 |