| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1814 |
90.1%
|
| 2 | I did not smoke during the past year | 75 |
3.7%
|
| 3 | Yes | 70 |
3.5%
|
| 4 | No | 55 |
2.7%
|
| Sysmiss | 10 |