| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1213 |
62.2%
|
| 2 | Occasionally | 312 |
16%
|
| 3 | Often | 41 |
2.1%
|
| 4 | Quite often | 50 |
2.6%
|
| 5 | I have never smoked | 333 |
17.1%
|
| Sysmiss | 19 |