| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 105 |
65.6%
|
| 2 | I did not smoke during the past 12 months | 17 |
10.6%
|
| 3 | Yes | 25 |
15.6%
|
| 4 | No | 13 |
8.1%
|
| Sysmiss | 3 |