| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2616 |
84.1%
|
| 2 | I have not stopped smoking | 105 |
3.4%
|
| 3 | 1-3 months | 169 |
5.4%
|
| 4 | 4-11 months | 40 |
1.3%
|
| 5 | One year | 36 |
1.2%
|
| 6 | 2 years | 28 |
0.9%
|
| 7 | 3 years or longer | 116 |
3.7%
|
| Sysmiss | 8 |