N = 2351 | Younger group, grades 7–8 (n = 1229) | Older group, grades 9–10 (n = 1122) |
---|---|---|
 | n (%) | n (%) |
Gender | ||
 Female | 596 (48.5%) | 543 (48.4%) |
 Male | 602 (49.0%) | 554 (49.4%) |
Family Structure | ||
 Lives with both parents | 630 (51.3%) | 558 (49.7%) |
 Other living arrangements | 599 (48.7%) | 564 (50.3%) |
Lifetime Drunkenness (Ever been drunk) | 103 (10.0%) | 222 (21.6%) |
Current Alcohol Use (Past 30 Days) | 65 (6.4%) | 136 (13.4%) |
Lifetime Cigarette Use (Ever Used) | 180 (17.3%) | 255 (24.5%) |
Current Cigarette Use (Past 30 Days) | 46 (4.4%) | 96 (9.2%) |
Race/Ethnicity | ||
 Asian | 17 (1.4%) | 13 (1.2%) |
 White | 1116 (90.8%) | 1037 (92.4%) |
 Black or African American | 60 (4.9%) | 55 (4.9%) |
 Hispanic or Latino | 34 (2.8%) | 29 (2.6%) |
 Native Hawaiian or Pacific Islander | 5 (0.4%) | 5 (0.5%) |
 American Indian or Native American | 76 (6.2%) | 51 (4.5%) |
 Other | 48 (4.0%) | 27 (2.4%) |
 | Mean (SD) | Mean (SD) |
Parental Support (range 4.00–16.00) | 17.1 (3.5) | 17.1 (3.7) |
Parental Monitoring (range 5.00–20.00) | 13.7 (2.5) | 13.6 (2.7) |
Maternal Education (range 1.0–6.0) | 4.4 (2.8) | 5.0 (2.7) |
Relative Income (range 1.0–7.0) | 5.0 (1.4) | 4.9 (1.3) |