| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1006 |
60.3%
|
| 2 | Occasionally | 247 |
14.8%
|
| 3 | Often | 54 |
3.2%
|
| 4 | Quite often | 20 |
1.2%
|
| 5 | I have never smoked | 340 |
20.4%
|
| Sysmiss | 16 |