| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7206 |
62.5%
|
| 2 | I did not smoke during the past year | 1814 |
15.7%
|
| 3 | Yes | 1896 |
16.5%
|
| 4 | No | 609 |
5.3%
|
| Sysmiss | 105 |