Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 4235 |
78.9%
|
2 | I did not smoke during the past 12 months | 598 |
11.1%
|
3 | Yes | 343 |
6.4%
|
4 | No | 194 |
3.6%
|
Sysmiss | 39 |