| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 9133 |
75.8%
|
| 2 | I did not smoke during the past year | 806 |
6.7%
|
| 3 | Yes | 1251 |
10.4%
|
| 4 | No | 859 |
7.1%
|
| Sysmiss | 37 |