| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1316 |
70.7%
|
| 2 | I have not stopped smoking | 450 |
24.2%
|
| 3 | Less than 4 months | 28 |
1.5%
|
| 4 | 4-11 months | 7 |
0.4%
|
| 5 | One year | 5 |
0.3%
|
| 6 | 2 years | 51 |
2.7%
|
| 7 | 3 years or longer | 4 |
0.2%
|
| Sysmiss | 5 |