| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much Worse | 95 |
3.9%
|
| 2 | Worse | 207 |
8.6%
|
| 3 | Same | 283 |
11.7%
|
| 4 | Better | 966 |
40.1%
|
| 5 | Much Better | 797 |
33.1%
|
| 9 | Don't know | 62 |
2.6%
|
| 998 | Refused | 0 |
0%
|