| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 5413 |
94.8%
|
| 2 | Less than once a week. | 143 |
2.5%
|
| 3 | At least once a week but not every day. | 97 |
1.7%
|
| 4 | Every day. | 55 |
1%
|
| Sysmiss | 15 |