| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke manufactured cigarettes during the past 30 days | 2154 |
95%
|
| 2 | Less than once a week | 56 |
2.5%
|
| 3 | At least once a week but not every day | 34 |
1.5%
|
| 4 | Every day | 23 |
1%
|
| Sysmiss | 29 |