| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1091 |
63.8%
|
| 2 | Occasionally | 275 |
16.1%
|
| 3 | Often | 53 |
3.1%
|
| 4 | Quite often | 22 |
1.3%
|
| 5 | I have never smoked | 268 |
15.7%
|
| Sysmiss | 21 |