| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 30 days (one month) | 3832 |
92.3%
|
| 2 | 1 or 2 days | 191 |
4.6%
|
| 3 | 3 to 5 days | 46 |
1.1%
|
| 4 | 6 to 9 days | 27 |
0.7%
|
| 5 | 10 to 19 days | 25 |
0.6%
|
| 6 | 30 days | 31 |
0.7%
|
| Sysmiss | 125 |