| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1158 |
59.6%
|
| 2 | Occasionally | 327 |
16.8%
|
| 3 | Often | 63 |
3.2%
|
| 4 | Quite often | 43 |
2.2%
|
| 5 | I have never smoked | 353 |
18.2%
|
| Sysmiss | 25 |