| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke tobacco in a pipe during the past 30 days | 3384 |
96.7%
|
| 2 | Less than once a week | 87 |
2.5%
|
| 3 | At least once a week but not every day | 18 |
0.5%
|
| 4 | Every day | 11 |
0.3%
|
| Sysmiss | 15 |