| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1037 |
62.2%
|
| 2 | Occasionally | 290 |
17.4%
|
| 3 | Often | 41 |
2.5%
|
| 4 | Quite often | 27 |
1.6%
|
| 5 | I have never smoked | 272 |
16.3%
|
| Sysmiss | 16 |