| Value | Category | Cases | |
|---|---|---|---|
| 0 | Don't know | 193 |
10.1%
|
| 1 | Increased/improved | 1068 |
55.7%
|
| 2 | Decreased | 34 |
1.8%
|
| 3 | No effect | 51 |
2.7%
|
| 4 | Not applicable | 569 |
29.7%
|
| 9 | Missing value | 2 |
0.1%
|
| Sysmiss | 946 |