| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 1397 |
70.9%
|
| 2 | Occasionally | 97 |
4.9%
|
| 3 | Often | 18 |
0.9%
|
| 4 | Quite often | 19 |
1%
|
| 5 | I have never smoked | 438 |
22.2%
|
| Sysmiss | 15 |