| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4076 |
67.8%
|
| 2 | I did not smoke during the past year | 747 |
12.4%
|
| 3 | Yes | 754 |
12.5%
|
| 4 | No | 437 |
7.3%
|
| Sysmiss | 299 |