| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1630 |
71%
|
| 2 | I did not smoke during the past 12 months | 276 |
12%
|
| 3 | Yes | 305 |
13.3%
|
| 4 | No | 85 |
3.7%
|
| Sysmiss | 23 |