| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1144 |
66.2%
|
| 2 | Occasionally | 193 |
11.2%
|
| 3 | Often | 61 |
3.5%
|
| 4 | Quite often | 42 |
2.4%
|
| 5 | I have never smoked | 287 |
16.6%
|
| Sysmiss | 23 |