| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 1 |
0.3%
|
| 2 | Became somewhat worse | 11 |
3.5%
|
| 3 | Stayed the same | 49 |
15.8%
|
| 4 | Became somewhat better | 94 |
30.2%
|
| 5 | Became significantly better | 78 |
25.1%
|
| 6 | Don’t know | 78 |
25.1%
|
| Sysmiss | 109 |