| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2955 |
85.9%
|
| 2 | I have not stopped smoking | 158 |
4.6%
|
| 3 | Less than 1 month | 90 |
2.6%
|
| 4 | 1-3 months | 58 |
1.7%
|
| 5 | 4-11 months | 38 |
1.1%
|
| 6 | One year | 47 |
1.4%
|
| 7 | 2 years | 26 |
0.8%
|
| 8 | 3 years or longer | 69 |
2%
|
| Sysmiss | 36 |