| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 4426 |
74.4%
|
| 2 | I don't smoke now | 450 |
7.6%
|
| 3 | Yes | 953 |
16%
|
| 4 | No | 122 |
2.1%
|
| Sysmiss | 35 |