| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1036 |
69.1%
|
| 2 | I have not stopped smoking | 79 |
5.3%
|
| 3 | 1-3 months | 95 |
6.3%
|
| 4 | 4-11 months | 42 |
2.8%
|
| 5 | One year | 53 |
3.5%
|
| 6 | 2 years | 35 |
2.3%
|
| 7 | 3 years or longer | 160 |
10.7%
|
| Sysmiss | 11 |