| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 1442 |
71.4%
|
| 2 | Only one or two puffs | 212 |
10.5%
|
| 3 | 1 cigarette | 68 |
3.4%
|
| 4 | 2 to 5 cigarettes | 99 |
4.9%
|
| 5 | 6 to 15 cigarettes | 58 |
2.9%
|
| 6 | 16 to 25 cigarettes | 42 |
2.1%
|
| 7 | 26 to 99 cigarettes | 48 |
2.4%
|
| 8 | 100 cigarettes or more | 51 |
2.5%
|
| Sysmiss | 6 |