| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 775 |
53.3%
|
| 2 | I did not smoke during the past year | 326 |
22.4%
|
| 3 | Yes | 296 |
20.4%
|
| 4 | No | 57 |
3.9%
|
| Sysmiss | 7 |