| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 754 |
84.2%
|
| 2 | I have not stopped smoking | 36 |
4%
|
| 3 | 1-3 months | 54 |
6%
|
| 4 | 4-11 months | 19 |
2.1%
|
| 5 | One year | 12 |
1.3%
|
| 6 | 2 years | 5 |
0.6%
|
| 7 | 3 years or longer | 16 |
1.8%
|
| Sysmiss | 6 |