Preference for immediate reward was associated with larger number of Conduct Disorder symptoms (F1,741 = 10.27, P = .001 at age 12 and F1,490 = 6.80, P = .009 at age 14) and ADHD symptoms from all three domains at age 12 (Inattentive: F1,638 = 9.85, P = .002; Hyperactive: F1,638 = 10.73, P = .001; Impulsive: F1,638 = 5.35, P = .021); however, at age 14 only the association with Impulsive symptoms was significant (inattentive: F1,638 = 3.87, P = .050; hyperactive: F1,638 = 3.79, P = .052; impulsive: F1,638 = 6.14, P = .014).
