| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 6 months | 3654 |
74.6%
|
| 2 | 1 or 2 days | 127 |
2.6%
|
| 3 | 3 to 5 days | 61 |
1.2%
|
| 4 | 5 to 10 days | 611 |
12.5%
|
| 5 | 10 to 14 days | 268 |
5.5%
|
| 6 | 15 days to one month | 124 |
2.5%
|
| 7 | More than one month | 54 |
1.1%
|
| Sysmiss | 146 |