| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 704 |
84.9%
|
| 2 | Less than once a week. | 51 |
6.2%
|
| 3 | At least once a week but not every day. | 28 |
3.4%
|
| 4 | Every day. | 46 |
5.5%
|
| Sysmiss | 4 |