| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 382 |
16.2%
|
| 2 | Worsened somewhat | 525 |
22.3%
|
| 3 | Stayed the same | 721 |
30.6%
|
| 4 | Improved somewhat | 568 |
24.1%
|
| 5 | Improved a great deal | 162 |
6.9%
|
| 6 | Don't know | 42 |