| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month I did not smoke pipe with tobacco. | 13713 |
97.7%
|
| 2 | Less than once a week. | 142 |
1%
|
| 3 | At least once a week but not every day. | 101 |
0.7%
|
| 4 | Every day. | 78 |
0.6%
|
| Sysmiss | 78 |