| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2595 |
65.8%
|
| 2 | I did not smoke during the past 12 months | 330 |
8.4%
|
| 3 | Yes | 584 |
14.8%
|
| 4 | No | 437 |
11.1%
|
| Sysmiss | 39 |