| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 0 |
0%
|
| 2 | I do not smoke now | 0 |
0%
|
| 3 | Yes | 36 |
80%
|
| 4 | No | 9 |
20%
|
| Sysmiss | 2718 |