| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1326 |
72.7%
|
| 2 | I did not smoke during the past 12 months | 226 |
12.4%
|
| 3 | Yes | 172 |
9.4%
|
| 4 | No | 99 |
5.4%
|
| Sysmiss | 15 |