| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1693 |
81.7%
|
| 2 | I have not stopped smoking | 117 |
5.6%
|
| 3 | 1-3 months | 76 |
3.7%
|
| 4 | 4-11 months | 44 |
2.1%
|
| 5 | One year | 37 |
1.8%
|
| 6 | 2 years | 31 |
1.5%
|
| 7 | 3 years or longer | 75 |
3.6%
|
| Sysmiss | 6 |