| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 725 |
56.1%
|
| 2 | I have not stopped smoking | 126 |
9.8%
|
| 3 | 1-3 months | 192 |
14.9%
|
| 4 | 4-11 months | 54 |
4.2%
|
| 5 | One year | 80 |
6.2%
|
| 6 | 2 years | 44 |
3.4%
|
| 7 | 3 years or longer | 71 |
5.5%
|
| Sysmiss | 22 |