| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month I did not smoke pipe with tobacco. | 5415 |
92.8%
|
| 2 | Less than once a week. | 185 |
3.2%
|
| 3 | At least once a week but not every day. | 116 |
2%
|
| 4 | Every day. | 119 |
2%
|
| Sysmiss | 385 |