| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2838 |
90.8%
|
| 2 | I have not stopped smoking | 84 |
2.7%
|
| 3 | 1-3 months | 60 |
1.9%
|
| 4 | 4-11 months | 31 |
1%
|
| 5 | One year | 31 |
1%
|
| 6 | 2 years | 23 |
0.7%
|
| 7 | 3 years or longer | 58 |
1.9%
|
| Sysmiss | 22 |