| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 152 |
6.4%
|
| 2 | Worse | 259 |
10.8%
|
| 3 | Same | 799 |
33.4%
|
| 4 | Better | 719 |
30.1%
|
| 5 | Much better | 273 |
11.4%
|
| 8 | Refused | 29 |
1.2%
|
| 9 | Don’t know | 161 |
6.7%
|