| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1006 |
48.5%
|
| 2 | I did not smoke during the past year | 354 |
17.1%
|
| 3 | Yes | 437 |
21.1%
|
| 4 | No | 279 |
13.4%
|
| Sysmiss | 9 |