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Published in: Prevention Science 8/2019

01-11-2019

Does the Fast Track Intervention Prevent Later Psychosis Symptoms?

Authors: Natalie Goulter, Robert J. McMahon, Kenneth A. Dodge, Conduct Problems Prevention Research Group

Published in: Prevention Science | Issue 8/2019

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Abstract

The Fast Track (FT) intervention was a multimodal preventive intervention addressing antisocial development across 10 years of childhood and early adolescence. The intervention included parent management training, child social-cognitive skills training, peer coaching and mentoring, academic skills tutoring, and a classroom social-emotional learning program. While not specifically designed to target psychosis symptoms (e.g., social withdrawal, thought abnormalities), the present study aimed to examine whether the FT intervention prevented psychosis symptoms through childhood and adolescence and into adulthood. Participants included the FT intervention and high-risk control samples (N = 891; 69% male; M age = 6.58 years, SD = .48). Psychosis symptoms were assessed using the “thought problems” subscale of the parent-report Child Behavior Checklist during grades 1, 2, 4, 5, and 7, and the self-report Adult Behavior Checklist at age 25 years, in line with prior research using this measure. Growth models included the FT condition and covariates (i.e., initial risk screen score, cohort, socioeconomic status, rural/urban status, race, and sex) as predictors; and child, adolescent, and adult psychosis symptoms as outcomes. Intervention status was not significantly associated with the slope of psychosis symptoms; however, after controlling for concurrent cannabis use, intervention participants reported lower levels of psychosis symptoms over time. Findings suggest that interventions targeting antisocial behavior may prevent psychosis symptoms in the long term.
Footnotes
1
Analyses were repeated with grade 1 removed and findings remained the same with the exception of the final model (i.e., whether the FT intervention prevented later psychosis symptoms after controlling for adolescent cannabis use), which no longer provided adequate fit to the data (χ2(104) = 649.879, p < .001, CFI = .382, RMSEA = .078, 90% CI [.072, .084]).
 
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Metadata
Title
Does the Fast Track Intervention Prevent Later Psychosis Symptoms?
Authors
Natalie Goulter
Robert J. McMahon
Kenneth A. Dodge
Conduct Problems Prevention Research Group
Publication date
01-11-2019
Publisher
Springer US
Published in
Prevention Science / Issue 8/2019
Print ISSN: 1389-4986
Electronic ISSN: 1573-6695
DOI
https://doi.org/10.1007/s11121-019-01041-1

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