| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1503 |
90.7%
|
| 2 | I have not stopped smoking | 64 |
3.9%
|
| 3 | Less than 4 months | 40 |
2.4%
|
| 4 | 4-11 months | 24 |
1.4%
|
| 5 | One year | 10 |
0.6%
|
| 6 | 2 years | 4 |
0.2%
|
| 7 | 3 years or longer | 13 |
0.8%
|
| Sysmiss | 34 |