| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3726 |
78.5%
|
| 2 | I did not smoke cigarettes during the past year | 439 |
9.3%
|
| 3 | Yes | 337 |
7.1%
|
| 4 | No | 242 |
5.1%
|
| Sysmiss | 52 |