| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 7 |
0.6%
|
| 2 | Worse | 52 |
4.3%
|
| 3 | Same | 431 |
35.9%
|
| 4 | Better | 595 |
49.6%
|
| 5 | Much Better | 89 |
7.4%
|
| 9 | Don't know | 26 |
2.2%
|
| 998 | Refused | 0 |
0%
|