| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1642 |
59.8%
|
| 2 | Occasionally | 444 |
16.2%
|
| 3 | Often | 85 |
3.1%
|
| 4 | Quite often | 64 |
2.3%
|
| 5 | I have never smoked | 513 |
18.7%
|
| Sysmiss | 24 |