| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 9 |
0.8%
|
| 2 | Worse | 133 |
11.1%
|
| 3 | Same | 115 |
9.6%
|
| 4 | Better | 601 |
50.1%
|
| 5 | Much Better | 114 |
9.5%
|
| 9 | Don't know | 228 |
19%
|
| 998 | Refused | 0 |
0%
|