| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1492 |
69.6%
|
| 2 | I have not stopped smoking | 130 |
6.1%
|
| 3 | 1-3 months | 192 |
9%
|
| 4 | 4-11 months | 84 |
3.9%
|
| 5 | One year | 85 |
4%
|
| 6 | 2 years | 70 |
3.3%
|
| 7 | 3 years or longer | 92 |
4.3%
|
| Sysmiss | 28 |