| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 1 |
0%
|
| 1 | Much worse | 111 |
4.6%
|
| 2 | Worse | 251 |
10.5%
|
| 3 | Same | 349 |
14.5%
|
| 4 | Better | 1028 |
42.8%
|
| 5 | Much Better | 517 |
21.5%
|
| 9 | Don't know | 143 |
6%
|
| 98 | Refused | 0 |
0%
|