| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 11 |
0.8%
|
| 2 | Worse | 64 |
4.9%
|
| 3 | Same | 102 |
7.8%
|
| 4 | Better | 521 |
40%
|
| 5 | Much Better | 546 |
41.9%
|
| 9 | Don't know | 60 |
4.6%
|
| 998 | Refused | 0 |
0%
|