| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 495 |
80.8%
|
| 2 | I did not smoke during the past year | 81 |
13.2%
|
| 3 | Yes | 20 |
3.3%
|
| 4 | No | 17 |
2.8%
|
| Sysmiss | 1 |