| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 884 |
59.9%
|
| 2 | Occasionally | 255 |
17.3%
|
| 3 | Often | 48 |
3.2%
|
| 4 | Quite often | 27 |
1.8%
|
| 5 | I have never smoked | 263 |
17.8%
|
| Sysmiss | 18 |