| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2611 |
60.8%
|
| 2 | I did not smoke during the past 12 months | 830 |
19.3%
|
| 3 | Yes | 517 |
12%
|
| 4 | No | 337 |
7.8%
|
| Sysmiss | 25 |