| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1157 |
58%
|
| 2 | Occasionally | 411 |
20.6%
|
| 3 | Often | 56 |
2.8%
|
| 4 | Quite often | 36 |
1.8%
|
| 5 | I have never smoked | 334 |
16.8%
|
| Sysmiss | 19 |