| Value | Category | Cases | |
|---|---|---|---|
| 1 | More harmful than tobacco | 412 |
28.5%
|
| 2 | Less harmful than tobacco | 308 |
21.3%
|
| 3 | No difference from tobacco | 277 |
19.1%
|
| 4 | Don't know/not sure | 451 |
31.1%
|
| Sysmiss | 31 |