| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 29 |
2.4%
|
| 2 | Worse | 101 |
8.4%
|
| 3 | Same | 235 |
19.6%
|
| 4 | Better | 581 |
48.5%
|
| 5 | Much Better | 143 |
11.9%
|
| 9 | Don't know | 109 |
9.1%
|
| 998 | Refused | 0 |
0%
|