| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1477 |
78.4%
|
| 2 | I have not stopped smoking | 109 |
5.8%
|
| 3 | 1-3 months | 142 |
7.5%
|
| 4 | 4-11 months | 30 |
1.6%
|
| 5 | One year | 32 |
1.7%
|
| 6 | 2 years | 22 |
1.2%
|
| 7 | 3 years or longer | 73 |
3.9%
|
| Sysmiss | 16 |