From: Designing a tobacco counter-marketing campaign for African American youth
 |  | Group | ||||
---|---|---|---|---|---|---|
 | Total | 1 | 2 | 3 | 4 | 5 |
N | 28 | 7 | 8 | 4 | 6 | 3 |
n Grade 6 | 9 | 2 | 3 | 4 | 0 | 0 |
n Grade 7 | 13 | 3 | 4 | 0 | 3 | 3 |
n Grade 8 | 6 | 2 | 1 | 0 | 3 | 0 |
M Age (years) | 12.3 | 12.4 | 12.1 | 11.8 | 12.8 | 12.0 |
n Male | 17 | 3 | 6 | 1 | 4 | 3 |
n Female | 11 | 4 | 2 | 3 | 2 | 0 |
n Ever smoked (yes) | 4 | 2 | 0 | 1 | 1 | 0 |