| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1399 |
80.4%
|
| 2 | I have not stopped smoking | 73 |
4.2%
|
| 3 | 1-3 months | 74 |
4.3%
|
| 4 | 4-11 months | 41 |
2.4%
|
| 5 | One year | 34 |
2%
|
| 6 | 2 years | 38 |
2.2%
|
| 7 | 3 years or longer | 80 |
4.6%
|
| Sysmiss | 9 |