| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 433 |
76.6%
|
| 2 | I have not stopped smoking | 30 |
5.3%
|
| 3 | 1-3 months | 51 |
9%
|
| 4 | 4-11 months | 11 |
1.9%
|
| 5 | One year | 13 |
2.3%
|
| 6 | 2 years | 8 |
1.4%
|
| 7 | 3 years or longer | 19 |
3.4%
|
| Sysmiss | 9 |