| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 1 | Much Worse | 5 |
0.4%
|
| 2 | Worse | 43 |
3.6%
|
| 3 | Same | 169 |
14.1%
|
| 4 | Better | 664 |
55.4%
|
| 5 | Much Better | 245 |
20.5%
|
| 9 | Don't know | 69 |
5.8%
|
| 998 | Refused | 0 |
0%
|