| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2461 |
72.2%
|
| 2 | Never | 541 |
15.9%
|
| 3 | Sometimes | 277 |
8.1%
|
| 4 | Most of the times | 131 |
3.8%
|
| Sysmiss | 15 |