| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Much Worse | 100 |
8.4%
|
| 2 | Worse | 197 |
16.5%
|
| 3 | Same | 124 |
10.4%
|
| 4 | Better | 463 |
38.7%
|
| 5 | Much Better | 109 |
9.1%
|
| 9 | Don't know | 203 |
17%
|
| 998 | Refused | 0 |
0%
|