| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1627 |
59.3%
|
| 2 | Occasionally | 379 |
13.8%
|
| 3 | Often | 90 |
3.3%
|
| 4 | Quite often | 58 |
2.1%
|
| 5 | I have never smoked | 591 |
21.5%
|
| Sysmiss | 27 |