| Value | Category | Cases | |
|---|---|---|---|
| 1 | Became significantly worse | 1 |
0.3%
|
| 2 | Became somewhat worse | 8 |
2.6%
|
| 3 | Stayed the same | 71 |
22.9%
|
| 4 | Became somewhat better | 122 |
39.4%
|
| 5 | Became significantly better | 60 |
19.4%
|
| 6 | Don't know | 48 |
15.5%
|
| Sysmiss | 182 |