| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 112 |
9.3%
|
| 2 | Worse | 249 |
20.8%
|
| 3 | Same | 255 |
21.3%
|
| 4 | Better | 491 |
40.9%
|
| 5 | Much better | 74 |
6.2%
|
| 9 | Do not know | 19 |
1.6%
|
| 98 | Refused | 0 |
0%
|