| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.1%
|
| 1 | Much Worse | 109 |
4.5%
|
| 2 | Worse | 447 |
18.6%
|
| 3 | Same | 568 |
23.7%
|
| 4 | Better | 1040 |
43.4%
|
| 5 | Much Better | 184 |
7.7%
|
| 9 | Don't know | 47 |
2%
|
| 98 | Refused | 0 |
0%
|