| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 653 |
55.9%
|
| 2 | I did not smoke during the past year | 226 |
19.3%
|
| 3 | Yes | 186 |
15.9%
|
| 4 | No | 104 |
8.9%
|
| Sysmiss | 7 |