| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 907 |
74.2%
|
| 2 | I have not stopped smoking | 49 |
4%
|
| 3 | 1-3 months | 74 |
6.1%
|
| 4 | 4-11 months | 23 |
1.9%
|
| 5 | One year | 38 |
3.1%
|
| 6 | 2 years | 29 |
2.4%
|
| 7 | 3 years or longer | 102 |
8.3%
|
| Sysmiss | 12 |