| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 3 |
0.3%
|
| 1 | Much worse | 21 |
1.8%
|
| 2 | Worse | 214 |
17.9%
|
| 3 | Same | 515 |
43.1%
|
| 4 | Better | 249 |
20.8%
|
| 5 | Much better | 7 |
0.6%
|
| 9 | Don't know | 187 |
15.6%
|
| 98 | Refused | 0 |
0%
|