| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke | 3028 |
78.5%
|
| 2 | I did not smoke other than Cigarettes | 371 |
9.6%
|
| 3 | Water Pipe | 327 |
8.5%
|
| 4 | Pipe | 53 |
1.4%
|
| 5 | Cigar | 0 |
0%
|
| 6 | Shift | 11 |
0.3%
|
| 7 | Other | 67 |
1.7%
|
| Sysmiss | 55 |