| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 4 |
0.3%
|
| 2 | Worse | 49 |
4.1%
|
| 3 | Same | 427 |
35.6%
|
| 4 | Better | 590 |
49.2%
|
| 5 | Much Better | 113 |
9.4%
|
| 9 | Don't know | 17 |
1.4%
|
| 998 | Refused | 0 |
0%
|