Objective: Multidimensional Treatment Foster Care (MTFC) has been found to reduce delinquency among girls in juvenile justice through 2-year follow-up. Given that such girls are at elevated risk for suicide and depression into adulthood, we tested MTFC effects on long-term trajectories of suicidal ideation and depressive symptoms.
Method: Girls (N = 166; mean [SD] age = 15.3 [1.2] years; 68% White) with a recent criminal referral who were mandated to out-of-home care were enrolled in 2 sequential cohorts. Girls were randomized to receive MTFC (n = 81) or group care (GC) treatment as usual (TAU; n = 85); the second MTFC cohort also received modules targeting substance use and risky sexual behavior. Depressive symptoms and suicidal ideation were assessed repeatedly through early adulthood (mean [SD] follow-up = 8.8 [2.9] years). Suicide attempt history was assessed in early adulthood.
Results: Girls assigned to MTFC showed significantly greater decreases in depressive symptoms across the long-term follow-up than GC girls (π = -.86, p < .05). Decreases in suicidal ideation rates were slightly stronger in MTFC than in GC as indicated by a marginal main effect (odds ratio [OR] = .92, p < .10) and a significant interaction that favored MTFC in the second cohort relative to the first (OR = .88, p < .01). There were no significant MTFC effects on suicide attempt.
Conclusions: MTFC decreased depressive symptoms and suicidal thinking beyond the decreases attributable to time and TAU. Thus, MTFC has further impact on girls' lives than originally anticipated.
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