| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1456 |
76.9%
|
| 2 | I did not smoke during the past 12 months | 228 |
12%
|
| 3 | Yes | 136 |
7.2%
|
| 4 | No | 73 |
3.9%
|
| Sysmiss | 2 |