| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 904 |
61.2%
|
| 2 | Occasionally | 185 |
12.5%
|
| 3 | Often | 41 |
2.8%
|
| 4 | Quite often | 33 |
2.2%
|
| 5 | I have never smoked | 314 |
21.3%
|
| Sysmiss | 18 |