| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2649 |
80.4%
|
| 2 | I have not stopped smoking | 203 |
6.2%
|
| 3 | 1-3 months | 146 |
4.4%
|
| 4 | 4-6 months | 37 |
1.1%
|
| 5 | 7-9 months | 24 |
0.7%
|
| 6 | One year | 77 |
2.3%
|
| 7 | Two years | 62 |
1.9%
|
| 8 | 3 years or longer | 96 |
2.9%
|
| Sysmiss | 20 |