| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2687 |
58.6%
|
| 2 | 1 month ago | 354 |
7.7%
|
| 3 | A few months ago | 431 |
9.4%
|
| 4 | One year ago | 266 |
5.8%
|
| 5 | 2 years ago | 111 |
2.4%
|
| 6 | 3 years or longer | 238 |
5.2%
|
| 7 | I have not stop smoking | 495 |
10.8%
|
| Sysmiss | 41 |