| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 983 |
76.6%
|
| 2 | I have not stopped smoking | 101 |
7.9%
|
| 3 | 1-3 months | 65 |
5.1%
|
| 4 | 4-11 months | 33 |
2.6%
|
| 5 | One year | 28 |
2.2%
|
| 6 | 2 years | 33 |
2.6%
|
| 7 | 3 years or longer | 18 |
1.4%
|
| 8 | 22 |
1.7%
|
|
| Sysmiss | 35 |