| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1806 |
85.3%
|
| 2 | I did not smoke during the past year | 188 |
8.9%
|
| 3 | Yes | 108 |
5.1%
|
| 4 | No | 16 |
0.8%
|
| Sysmiss | 7 |