| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2398 |
57.1%
|
| 2 | I did not smoke during the past year | 784 |
18.7%
|
| 3 | Yes | 684 |
16.3%
|
| 4 | No | 336 |
8%
|
| Sysmiss | 12 |