| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1444 |
76.3%
|
| 2 | I did not smoke during the past 12 months | 226 |
11.9%
|
| 3 | Yes | 156 |
8.2%
|
| 4 | No | 67 |
3.5%
|
| Sysmiss | 7 |