| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 681 |
33.9%
|
| 2 | Worsened somewhat | 441 |
22%
|
| 3 | Stayed the same | 456 |
22.7%
|
| 4 | Improved somewhat | 275 |
13.7%
|
| 5 | Improved a great deal | 119 |
5.9%
|
| 998 | Refused | 12 |
0.6%
|
| 999 | Do not know | 22 |
1.1%
|