| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 179 |
7.4%
|
| 2 | Worse | 496 |
20.6%
|
| 3 | Same | 542 |
22.5%
|
| 4 | Better | 900 |
37.3%
|
| 5 | Much Better | 239 |
9.9%
|
| 9 | Don't know | 54 |
2.2%
|
| 998 | Refused | 0 |
0%
|