| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 55 |
2.3%
|
| 2 | Worse | 256 |
10.7%
|
| 3 | Same | 297 |
12.4%
|
| 4 | Better | 1120 |
46.7%
|
| 5 | Much Better | 649 |
27%
|
| 9 | Don't know | 23 |
1%
|
| 998 | Refused | 0 |
0%
|