| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 30 days | 3801 |
82.6%
|
| 2 | No usual brand | 592 |
12.9%
|
| 3 | Unknown 1 | 132 |
2.9%
|
| 4 | Unknown 2 | 29 |
0.6%
|
| 5 | Unknown 3 | 17 |
0.4%
|
| 6 | Unknown 4 | 9 |
0.2%
|
| 7 | Unknown 5 | 8 |
0.2%
|
| 8 | Other | 16 |
0.3%
|
| Sysmiss | 99 |