| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2772 |
84.1%
|
| 2 | I have not stopped smoking | 106 |
3.2%
|
| 3 | 1-3 months | 160 |
4.9%
|
| 4 | 4-11 months | 65 |
2%
|
| 5 | One year | 56 |
1.7%
|
| 6 | 2 years | 37 |
1.1%
|
| 7 | 3 years or longer | 99 |
3%
|
| Sysmiss | 11 |