| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1060 |
62.1%
|
| 2 | Occasionally | 233 |
13.6%
|
| 3 | Often | 42 |
2.5%
|
| 4 | Quite often | 36 |
2.1%
|
| 5 | I have never smoked | 337 |
19.7%
|
| Sysmiss | 22 |