| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1520 |
63.8%
|
| 2 | I did not smoke during the past year | 427 |
17.9%
|
| 3 | Yes | 275 |
11.5%
|
| 4 | No | 161 |
6.8%
|
| Sysmiss | 28 |