| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1634 |
75.5%
|
| 2 | I have not stopped smoking | 328 |
15.2%
|
| 3 | Less than 4 months | 84 |
3.9%
|
| 4 | 4-11 months | 42 |
1.9%
|
| 5 | One year | 23 |
1.1%
|
| 6 | 2 years | 28 |
1.3%
|
| 7 | 3 years or longer | 24 |
1.1%
|
| Sysmiss | 14 |