| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1728 |
82.2%
|
| 2 | I don't smoke now | 238 |
11.3%
|
| 3 | Yes | 84 |
4%
|
| 4 | No | 52 |
2.5%
|
| Sysmiss | 30 |