| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1340 |
68.2%
|
| 2 | Occasionally | 77 |
3.9%
|
| 3 | Often | 14 |
0.7%
|
| 4 | Quite often | 18 |
0.9%
|
| 5 | I have never smoked | 516 |
26.3%
|
| Sysmiss | 19 |