Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 3535 |
91.3%
|
2 | I did not smoke during the past 12 months | 189 |
4.9%
|
3 | Yes | 74 |
1.9%
|
4 | No | 74 |
1.9%
|
Sysmiss | 43 |