| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2776 |
57.1%
|
| 2 | I did not smoke during the past year | 728 |
15%
|
| 3 | Yes | 896 |
18.4%
|
| 4 | No | 460 |
9.5%
|
| Sysmiss | 66 |