| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke manufactured cigarettes during the past 30 days | 1941 |
91.8%
|
| 2 | Less than once a week | 84 |
4%
|
| 3 | At least once a week but not every day | 61 |
2.9%
|
| 4 | Every day | 28 |
1.3%
|
| Sysmiss | 18 |