| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3573 |
77.1%
|
| 2 | I have not stopped smoking | 161 |
3.5%
|
| 3 | 1-3 months | 219 |
4.7%
|
| 4 | 4-11 months | 178 |
3.8%
|
| 5 | One year | 109 |
2.4%
|
| 6 | 2 years | 128 |
2.8%
|
| 7 | 3 years or longer | 78 |
1.7%
|
| 8 | 188 |
4.1%
|
|
| Sysmiss | 48 |