| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3222 |
93.8%
|
| 2 | Less than once a week. | 82 |
2.4%
|
| 3 | At least once a week but not every day. | 57 |
1.7%
|
| 4 | Every day. | 73 |
2.1%
|
| Sysmiss | 43 |