| Value | Category | Cases | |
|---|---|---|---|
| 1 | I never smoked cigarettes | 2618 |
74.7%
|
| 2 | I smoked less than 1 cigarette each day for MORE than one year | 494 |
14.1%
|
| 3 | I smoked less than one cigarette each day for LESS than one year | 255 |
7.3%
|
| 4 | I smoked more than one cigarette each day for LESS than one year | 85 |
2.4%
|
| 5 | I smoked more than one cigarette each day for MORE than one year | 54 |
1.5%
|
| Sysmiss | 42 |