| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1353 |
70%
|
| 2 | Occasionally | 140 |
7.2%
|
| 3 | Often | 28 |
1.4%
|
| 4 | Quite often | 32 |
1.7%
|
| 5 | I have never smoked | 379 |
19.6%
|
| Sysmiss | 15 |