| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1541 |
62.8%
|
| 2 | I did not smoke during the past 12 months | 411 |
16.8%
|
| 3 | Yes | 345 |
14.1%
|
| 4 | No | 155 |
6.3%
|
| Sysmiss | 33 |