| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4573 |
76.1%
|
| 2 | I did not smoke during the past year | 992 |
16.5%
|
| 3 | Yes | 326 |
5.4%
|
| 4 | No | 121 |
2%
|
| Sysmiss | 34 |