| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 33 |
2.5%
|
| 2 | Worse | 157 |
12%
|
| 3 | Same | 174 |
13.3%
|
| 4 | Better | 382 |
29.3%
|
| 5 | Much Better | 91 |
7%
|
| 9 | Don't know | 467 |
35.8%
|
| 998 | Refused | 0 |
0%
|