| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1008 |
60.2%
|
| 2 | Occasionally | 248 |
14.8%
|
| 3 | Often | 43 |
2.6%
|
| 4 | Quite often | 34 |
2%
|
| 5 | I have never smoked | 342 |
20.4%
|
| Sysmiss | 8 |