| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1766 |
83.6%
|
| 2 | I did not smoke during the past year | 171 |
8.1%
|
| 3 | Yes | 109 |
5.2%
|
| 4 | No | 66 |
3.1%
|
| Sysmiss | 51 |