| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 436 |
65.2%
|
| 2 | 1 to 2 puffs | 67 |
10%
|
| 3 | 1 cigarette | 28 |
4.2%
|
| 4 | 2 to 5 cigarettes | 36 |
5.4%
|
| 5 | 6 to 15 cigarettes | 29 |
4.3%
|
| 6 | 16 to 25 cigarettes | 12 |
1.8%
|
| 7 | 26 to 99 cigarettes | 22 |
3.3%
|
| 8 | More than 100 cigarettes (5 packs or more) | 39 |
5.8%
|
| Sysmiss | 13 |