| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 6 |
0.5%
|
| 2 | Worse | 50 |
4.2%
|
| 3 | Same | 78 |
6.5%
|
| 4 | Better | 511 |
42.6%
|
| 5 | Much Better | 382 |
31.8%
|
| 9 | Don't know | 173 |
14.4%
|
| 98 | Refused | 0 |
0%
|