| Value | Category | Cases | |
|---|---|---|---|
| 1 | Worsened a great deal | 961 |
47.9%
|
| 2 | Worsened somewhat | 395 |
19.7%
|
| 3 | Stayed the same | 315 |
15.7%
|
| 4 | Improved somewhat | 214 |
10.7%
|
| 5 | Improved a great deal | 110 |
5.5%
|
| 998 | Refused | 4 |
0.2%
|
| 999 | Do not know | 7 |
0.3%
|