| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 770 |
43.7%
|
| 2 | I have not smoked during the past year | 382 |
21.7%
|
| 3 | Yes | 397 |
22.5%
|
| 4 | No | 213 |
12.1%
|
| Sysmiss | 28 |