| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1696 |
82.7%
|
| 2 | I have not stopped smoking | 55 |
2.7%
|
| 3 | 1-3 months | 137 |
6.7%
|
| 4 | 4-11 months | 38 |
1.9%
|
| 5 | One year | 22 |
1.1%
|
| 6 | 2 years | 22 |
1.1%
|
| 7 | 3 years or longer | 82 |
4%
|
| Sysmiss | 9 |