| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1662 |
78.4%
|
| 2 | I have not stopped smoking | 152 |
7.2%
|
| 3 | 1-3 months | 106 |
5%
|
| 4 | 4-11 months | 41 |
1.9%
|
| 5 | One year | 35 |
1.7%
|
| 6 | 2 years | 41 |
1.9%
|
| 7 | 3 years or longer | 82 |
3.9%
|
| Sysmiss | 39 |