| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1906 |
50.9%
|
| 2 | I have not stopped smoking | 593 |
15.8%
|
| 3 | 1-3 months | 492 |
13.1%
|
| 4 | 4-11 months | 211 |
5.6%
|
| 5 | One year | 237 |
6.3%
|
| 6 | 2 years | 137 |
3.7%
|
| 7 | 3 years or longer | 168 |
4.5%
|
| Sysmiss | 21 |