| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2255 |
67.3%
|
| 2 | I did not smoke during the past 12 months | 465 |
13.9%
|
| 3 | Yes | 368 |
11%
|
| 4 | No | 265 |
7.9%
|
| Sysmiss | 47 |