| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 386 |
16.5%
|
| 2 | Worsened somewhat | 513 |
21.9%
|
| 3 | Stayed the same | 741 |
31.6%
|
| 4 | Improved somewhat | 554 |
23.7%
|
| 5 | Improved a great deal | 148 |
6.3%
|
| 6 | Don't know | 58 |