| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3560 |
90.1%
|
| 2 | Less than once a week. | 171 |
4.3%
|
| 3 | At least once a week but not every day. | 129 |
3.3%
|
| 4 | Every day. | 91 |
2.3%
|
| Sysmiss | 69 |