Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 3669 |
94%
|
2 | I did not smoke during the past 12 months | 136 |
3.5%
|
3 | Yes | 67 |
1.7%
|
4 | No | 31 |
0.8%
|
Sysmiss | 14 |