| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1614 |
77.9%
|
| 2 | I did not smoke during the past 12 months | 184 |
8.9%
|
| 3 | Yes | 148 |
7.1%
|
| 4 | No | 125 |
6%
|
| Sysmiss | 38 |