| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Much Worse | 11 |
0.9%
|
| 2 | Worse | 76 |
6.3%
|
| 3 | Same | 183 |
15.3%
|
| 4 | Better | 462 |
38.5%
|
| 5 | Much Better | 460 |
38.3%
|
| 9 | Dont know | 7 |
0.6%
|
| 998 | Refused | 0 |
0%
|