| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1874 |
61.8%
|
| 2 | I did not smoke during the past 12 months | 387 |
12.8%
|
| 3 | Yes | 457 |
15.1%
|
| 4 | No | 312 |
10.3%
|
| Sysmiss | 31 |