| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 2 |
0.1%
|
| 1 | Much Worse | 46 |
1.9%
|
| 2 | Worse | 106 |
4.4%
|
| 3 | Same | 594 |
24.8%
|
| 4 | Better | 1178 |
49.1%
|
| 5 | Much Better | 357 |
14.9%
|
| 9 | Don't know | 115 |
4.8%
|
| 98 | Refused | 0 |
0%
|