| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 367 |
60.1%
|
| 2 | I did not smoke during the past 12 months | 130 |
21.3%
|
| 3 | Yes | 85 |
13.9%
|
| 4 | No | 29 |
4.7%
|
| Sysmiss | 3 |