| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 324 |
13.8%
|
| 2 | Worsened somewhat | 393 |
16.8%
|
| 3 | Stayed the same | 733 |
31.3%
|
| 4 | Improved somewhat | 731 |
31.2%
|
| 5 | Improved a great deal | 162 |
6.9%
|
| 6 | Don't know | 57 |