| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6497 |
79%
|
| 2 | I did not smoke during the past year | 826 |
10%
|
| 3 | Yes | 575 |
7%
|
| 4 | No | 331 |
4%
|
| Sysmiss | 66 |