| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1840 |
49.3%
|
| 2 | I did not smoke during the past year | 779 |
20.9%
|
| 3 | Yes | 784 |
21%
|
| 4 | No | 331 |
8.9%
|
| Sysmiss | 31 |