| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3885 |
78.9%
|
| 2 | I have not stopped smoking | 385 |
7.8%
|
| 3 | Less than 1 month | 196 |
4%
|
| 4 | 1-3 months | 119 |
2.4%
|
| 5 | 4-11 months | 67 |
1.4%
|
| 6 | One year | 78 |
1.6%
|
| 7 | 2 years | 76 |
1.5%
|
| 8 | 3 years or longer | 121 |
2.5%
|
| Sysmiss | 118 |