| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1073 |
71.1%
|
| 2 | I did not smoke during the past 12 months | 245 |
16.2%
|
| 3 | Yes | 104 |
6.9%
|
| 4 | No | 88 |
5.8%
|
| Sysmiss | 9 |