| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0.1%
|
| 1 | Much Worse | 8 |
0.7%
|
| 2 | Worse | 48 |
4%
|
| 3 | Same | 223 |
18.6%
|
| 4 | Better | 452 |
37.7%
|
| 5 | Much Better | 458 |
38.2%
|
| 9 | Dont know | 10 |
0.8%
|
| 998 | Refused | 0 |
0%
|