“…Finally, due to small cell sizes, we chose to group African American, American Indian, and multiethnic participants together. Given that youth smoking rates tend to be lower than the general population in African Americans (Johnston, O'Malley, Bachman, & Schulenberg, 2010) but higher in American Indians (Wallace et al, 2003) and multiethnic youth (Unger, Palmer, Dent, Rohrbach, & Johnson, 2000), this group may have been somewhat heterogeneous and less representative of those individual groups.…”