| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 24 |
2%
|
| 2 | Worse | 82 |
6.8%
|
| 3 | Same | 30 |
2.5%
|
| 4 | Better | 615 |
51.3%
|
| 5 | Much Better | 379 |
31.6%
|
| 9 | Don't know | 70 |
5.8%
|
| 998 | Refused | 0 |
0%
|