Children in the intervention group of the Fast Track RCT were less likely to manifest Any Externalizing Psychopathology at age 25 years as compared to peers randomized to the control condition (prevalence for European-American children was 46 percent in the intervention group and 61 percent in the control group, p=0.013; for African-American children, prevalence was 35 percent in the intervention group and 58 percent in the control group).
