| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2528 |
77.3%
|
| 2 | I have not smoked during the past year | 341 |
10.4%
|
| 3 | Yes | 214 |
6.5%
|
| 4 | No | 188 |
5.7%
|
| Sysmiss | 43 |