Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 3578 |
60.5%
|
2 | 0 times | 978 |
16.5%
|
3 | 1 to 3 times | 889 |
15%
|
4 | 4 or more times | 471 |
8%
|
Sysmiss | 129 |