| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1751 |
81.7%
|
| 2 | I did not smoke during the past year | 180 |
8.4%
|
| 3 | Yes | 138 |
6.4%
|
| 4 | No | 73 |
3.4%
|
| Sysmiss | 13 |