| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2910 |
76.4%
|
| 2 | I did not smoke during the past 12 months | 416 |
10.9%
|
| 3 | Yes | 285 |
7.5%
|
| 4 | No | 196 |
5.1%
|
| Sysmiss | 11 |