| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1842 |
84.7%
|
| 2 | I did not smoke during the past year | 177 |
8.1%
|
| 3 | Yes | 116 |
5.3%
|
| 4 | No | 41 |
1.9%
|
| Sysmiss | 21 |