| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1531 |
75.7%
|
| 2 | I have not stopped smoking | 130 |
6.4%
|
| 3 | 1-3 months | 141 |
7%
|
| 4 | 4-11 months | 57 |
2.8%
|
| 5 | One year | 48 |
2.4%
|
| 6 | 2 years | 42 |
2.1%
|
| 7 | 3 years or longer | 73 |
3.6%
|
| Sysmiss | 4 |