| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3536 |
90.7%
|
| 2 | I don't smoke now | 192 |
4.9%
|
| 3 | Yes | 101 |
2.6%
|
| 4 | No | 70 |
1.8%
|
| Sysmiss | 16 |