| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 704 |
78.8%
|
| 2 | I have not stopped smoking | 50 |
5.6%
|
| 3 | 1-3 months | 39 |
4.4%
|
| 4 | 4-11 months | 13 |
1.5%
|
| 5 | One year | 23 |
2.6%
|
| 6 | 2 years | 11 |
1.2%
|
| 7 | 3 years or longer | 53 |
5.9%
|
| Sysmiss | 3 |