| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 935 |
63.3%
|
| 2 | Occasionally | 211 |
14.3%
|
| 3 | Often | 47 |
3.2%
|
| 4 | Quite often | 27 |
1.8%
|
| 5 | I have never smoked | 258 |
17.5%
|
| Sysmiss | 17 |