| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 866 |
58.4%
|
| 2 | Occasionally | 228 |
15.4%
|
| 3 | Often | 55 |
3.7%
|
| 4 | Quite often | 31 |
2.1%
|
| 5 | I have never smoked | 303 |
20.4%
|
| Sysmiss | 12 |