| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 660 |
41.7%
|
| 2 | I didn't smoke in the past year. | 335 |
21.2%
|
| 3 | Yes | 447 |
28.3%
|
| 4 | no | 139 |
8.8%
|
| Sysmiss | 13 |