| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke cigarettes during the past 30 days | 1505 |
84.6%
|
| 2 | No usual brand | 81 |
4.6%
|
| 3 | (Marlborough) | 137 |
7.7%
|
| 4 | Other | 57 |
3.2%
|
| Sysmiss | 50 |