| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1316 |
75.8%
|
| 2 | I have not stopped smoking | 96 |
5.5%
|
| 3 | 1-3 months | 128 |
7.4%
|
| 4 | 4-11 months | 46 |
2.6%
|
| 5 | One year | 55 |
3.2%
|
| 6 | 2 years | 35 |
2%
|
| 7 | 3 years or longer | 60 |
3.5%
|
| Sysmiss | 4 |