| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 763 |
75.7%
|
| 2 | I have not stopped smoking | 53 |
5.3%
|
| 3 | 1-3 months | 75 |
7.4%
|
| 4 | 4-11 months | 17 |
1.7%
|
| 5 | One year | 20 |
2%
|
| 6 | 2 years | 11 |
1.1%
|
| 7 | 3 years or longer | 69 |
6.8%
|
| Sysmiss | 199 |