| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1542 |
71.5%
|
| 2 | I have not stopped smoking | 142 |
6.6%
|
| 3 | 1-3 months | 170 |
7.9%
|
| 4 | 4-11 months | 80 |
3.7%
|
| 5 | One year | 76 |
3.5%
|
| 6 | 2 years | 51 |
2.4%
|
| 7 | 3 years or longer | 96 |
4.5%
|
| Sysmiss | 28 |