| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 25 |
2.1%
|
| 2 | Worse | 64 |
5.3%
|
| 3 | Same | 43 |
3.6%
|
| 4 | Better | 431 |
35.9%
|
| 5 | Much Better | 605 |
50.4%
|
| 9 | Don't know | 32 |
2.7%
|
| 998 | Refused | 0 |
0%
|