| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 67 |
2.8%
|
| 2 | Worse | 147 |
6.1%
|
| 3 | Same | 485 |
20.2%
|
| 4 | Better | 999 |
41.6%
|
| 5 | Much Better | 495 |
20.6%
|
| 9 | Don't know | 207 |
8.6%
|
| 998 | Refused | 0 |
0%
|