| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2433 |
63.7%
|
| 2 | I have not stopped smoking | 478 |
12.5%
|
| 3 | 1-3 months | 189 |
5%
|
| 4 | 4-11 months | 169 |
4.4%
|
| 5 | One year | 180 |
4.7%
|
| 6 | 2 years | 128 |
3.4%
|
| 7 | 3 years or longer | 104 |
2.7%
|
| 8 | 137 |
3.6%
|
|
| Sysmiss | 43 |