| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1482 |
86.5%
|
| 2 | I did not smoke during the past 12 months | 128 |
7.5%
|
| 3 | Yes | 57 |
3.3%
|
| 4 | No | 47 |
2.7%
|
| Sysmiss | 14 |