| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2631 |
62.8%
|
| 2 | I did not smoke during the past 12 months | 652 |
15.6%
|
| 3 | Yes | 542 |
12.9%
|
| 4 | No | 367 |
8.8%
|
| Sysmiss | 34 |