| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 41 |
3.5%
|
| 2 | Worse | 126 |
10.9%
|
| 3 | Same | 148 |
12.7%
|
| 4 | Better | 417 |
35.9%
|
| 5 | Much Better | 404 |
34.8%
|
| 9 | Don't know | 25 |
2.2%
|
| 998 | Refused | 0 |
0%
|