| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1219 |
88.2%
|
| 2 | I have not stopped smoking | 48 |
3.5%
|
| 3 | 1-3 months | 35 |
2.5%
|
| 4 | 4-11 months | 13 |
0.9%
|
| 5 | One year | 21 |
1.5%
|
| 6 | 2 years | 13 |
0.9%
|
| 7 | 3 years or longer | 33 |
2.4%
|
| Sysmiss | 17 |