| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 5636 |
85.1%
|
| 2 | I did not smoke during the past 12 months | 549 |
8.3%
|
| 3 | Yes | 264 |
4%
|
| 4 | No | 176 |
2.7%
|
| Sysmiss | 55 |