| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3061 |
74.3%
|
| 2 | I did not smoke during the past year | 582 |
14.1%
|
| 3 | Yes | 356 |
8.6%
|
| 4 | No | 122 |
3%
|
| Sysmiss | 62 |