| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less harmful | 634 |
45.2%
|
| 2 | More harmful | 100 |
7.1%
|
| 3 | No difference | 157 |
11.2%
|
| 4 | I don't know | 513 |
36.5%
|
| Sysmiss | 49 |