|  | RHS (N = 1529) | CHS (N = 552) |
---|---|---|---|
Mean age*** | Â | 14.8 (SD = 0.86) | 16.8 (SD = 0.74) |
Gender*** | Â | Â | |
 | % Male | 51.6 | 57.2 |
 | % Female | 48.4 | 42.8 |
Ethnicity*** | Â | Â | |
 | % Latino | 60.6 | 71.2 |
 | % Non-Latino | 39.4 | 28.8 |
Parents education*** | Â | Â | |
 | % Some college or below | 69.7 | 80.0 |
 | % Full college or above | 30.3 | 20.0 |
% using cigarette*** | 8.3 | 35.4 | |
% using alcohol *** | 31.3 | 58.0 | |
% using marijuana*** | 13.7 | 41.0 | |
% using hard drug*** | 4.90 | 17.6 | |
Mean Problem drug use*** | 1.09 (SD = 0.24) | 1.21 (SD = 0.33) | |
Mean social self-control | 2.87 (SD = 0.50) | 2.88 (SD = 0.51) |