| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3014 |
78.9%
|
| 2 | I have not stopped smoking | 240 |
6.3%
|
| 3 | 1-3 months | 100 |
2.6%
|
| 4 | 4-11 months | 100 |
2.6%
|
| 5 | One year | 60 |
1.6%
|
| 6 | 2 years | 88 |
2.3%
|
| 7 | 3 years or longer | 50 |
1.3%
|
| 8 | 170 |
4.4%
|
|
| Sysmiss | 205 |