| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1553 |
81.1%
|
| 2 | I did not smoke during the past year | 199 |
10.4%
|
| 3 | Yes | 94 |
4.9%
|
| 4 | No | 68 |
3.6%
|
| Sysmiss | 84 |