| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 639 |
77.5%
|
| 2 | I do not smoke now | 103 |
12.5%
|
| 3 | Yes | 28 |
3.4%
|
| 4 | No | 55 |
6.7%
|
| Sysmiss | 8 |