| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1632 |
90.6%
|
| 2 | I have not stopped smoking | 63 |
3.5%
|
| 3 | 1-3 months | 39 |
2.2%
|
| 4 | 4-11 months | 14 |
0.8%
|
| 5 | One year | 26 |
1.4%
|
| 6 | 2 years | 25 |
1.4%
|
| 7 | 3 years or longer | 3 |
0.2%
|
| Sysmiss | 48 |