| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2785 |
80.6%
|
| 2 | I did not smoke during the past 12 months | 355 |
10.3%
|
| 3 | Yes | 206 |
6%
|
| 4 | No | 110 |
3.2%
|
| Sysmiss | 2 |