| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1917 |
92.1%
|
| 2 | I don't smoke now | 89 |
4.3%
|
| 3 | Yes | 58 |
2.8%
|
| 4 | No | 18 |
0.9%
|
| Sysmiss | 1 |