| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1221 |
65.6%
|
| 2 | Occasionally | 214 |
11.5%
|
| 3 | Often | 58 |
3.1%
|
| 4 | Quite often | 23 |
1.2%
|
| 5 | I have never smoked | 344 |
18.5%
|
| Sysmiss | 31 |