| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 837 |
54.8%
|
| 2 | I have not stopped smoking | 323 |
21.2%
|
| 3 | 1-3 months | 158 |
10.4%
|
| 4 | 4-11 months | 41 |
2.7%
|
| 5 | One year | 65 |
4.3%
|
| 6 | 2 years | 42 |
2.8%
|
| 7 | 3 years or longer | 60 |
3.9%
|
| Sysmiss | 20 |