| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 2 |
0.7%
|
| 2 | Became somewhat worse | 24 |
7.9%
|
| 3 | Stayed the same | 61 |
20.1%
|
| 4 | Became somewhat better | 90 |
29.6%
|
| 5 | Became significantly better | 69 |
22.7%
|
| 6 | Don't know | 58 |
19.1%
|
| Sysmiss | 188 |