| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1222 |
74.6%
|
| 2 | I have not stopped smoking | 124 |
7.6%
|
| 3 | 1-3 months | 129 |
7.9%
|
| 4 | 4-11 months | 46 |
2.8%
|
| 5 | One year | 42 |
2.6%
|
| 6 | 2 years | 24 |
1.5%
|
| 7 | 3 years or longer | 51 |
3.1%
|
| Sysmiss | 7 |