| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1912 |
84.2%
|
| 2 | I have not stopped smoking | 40 |
1.8%
|
| 3 | 1-3 months | 54 |
2.4%
|
| 4 | 4-11 months | 29 |
1.3%
|
| 5 | One year | 23 |
1%
|
| 6 | 2 years | 28 |
1.2%
|
| 7 | 3 years or longer | 185 |
8.1%
|
| Sysmiss | 13 |