| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 1 | Much worse | 61 |
5.1%
|
| 2 | Worse | 140 |
11.7%
|
| 3 | Same | 234 |
19.5%
|
| 4 | Better | 661 |
55.1%
|
| 5 | Much better | 74 |
6.2%
|
| 8 | Refused | 2 |
0.2%
|
| 9 | Don’t know | 28 |
2.3%
|