| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1643 |
62%
|
| 2 | I did not smoke during the past 12 months | 340 |
12.8%
|
| 3 | Yes | 411 |
15.5%
|
| 4 | No | 256 |
9.7%
|
| Sysmiss | 22 |