| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 721 |
74.9%
|
| 2 | I have not stopped smoking | 33 |
3.4%
|
| 3 | 1-3 months | 58 |
6%
|
| 4 | 4-11 months | 26 |
2.7%
|
| 5 | One year | 35 |
3.6%
|
| 6 | 2 years | 30 |
3.1%
|
| 7 | 3 years or longer | 59 |
6.1%
|
| Sysmiss | 9 |