| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1722 |
87.1%
|
| 2 | I have not stopped smoking | 43 |
2.2%
|
| 3 | 1-3 months | 55 |
2.8%
|
| 4 | 4-11 months | 31 |
1.6%
|
| 5 | One year | 26 |
1.3%
|
| 6 | 2 years | 28 |
1.4%
|
| 7 | 3 years or longer | 71 |
3.6%
|
| Sysmiss | 3 |