| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 1342 |
93.2%
|
| 2 | Less than once a week. | 39 |
2.7%
|
| 3 | At least once a week but not every day. | 38 |
2.6%
|
| 4 | Every day. | 21 |
1.5%
|
| Sysmiss | 11 |