| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1086 |
56.2%
|
| 2 | I did not smoke during the past 12 months | 288 |
14.9%
|
| 3 | Yes | 317 |
16.4%
|
| 4 | No | 241 |
12.5%
|
| Sysmiss | 20 |