| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2894 |
74.4%
|
| 2 | I did not smoke during the past 12 months | 643 |
16.5%
|
| 3 | Yes | 276 |
7.1%
|
| 4 | No | 78 |
2%
|
| Sysmiss | 14 |