Value | Category | Cases | |
---|---|---|---|
1 | I have never smoked | 575 |
53.7%
|
2 | 0 times | 253 |
23.6%
|
3 | 1 to 3 times | 168 |
15.7%
|
4 | 4 or more times | 74 |
6.9%
|
Sysmiss | 173 |