| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 981 |
61.5%
|
| 2 | Occasionally | 222 |
13.9%
|
| 3 | Often | 47 |
2.9%
|
| 4 | Quite often | 40 |
2.5%
|
| 5 | I have never smoked | 304 |
19.1%
|
| Sysmiss | 13 |