| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1632 |
71.2%
|
| 2 | I did not smoke during the past year | 200 |
8.7%
|
| 3 | Yes | 95 |
4.1%
|
| 4 | No | 364 |
15.9%
|
| Sysmiss | 65 |