| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2246 |
70.9%
|
| 2 | I don't smoke now | 417 |
13.2%
|
| 3 | Yes | 449 |
14.2%
|
| 4 | No | 57 |
1.8%
|
| Sysmiss | 46 |