| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1010 |
77.7%
|
| 2 | I don't smoke now | 165 |
12.7%
|
| 3 | Yes | 101 |
7.8%
|
| 4 | No | 24 |
1.8%
|
| Sysmiss | 9 |