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01-05-2021 | Mood Disorders

Six- and Twelve-Month Follow-up Results of a Cluster Randomized Controlled Trial of a CBT-Based Group Course

Authors: Serap Keles, Thormod Idsoe

Published in: Prevention Science | Issue 4/2021

Abstract

In the current study, we examined the durability of intervention gains over a 6- and 12-month follow-up period after the implementation of a CBT-based group intervention “Adolescent Coping with Depression Course” (ACDC) for adolescents with subclinical or mild-to-moderate depression. Data were collected from 228 youth, 133 of whom were allocated to the 14-week ACDC intervention and 95 to the usual care (UC) control condition. Analyses for the main outcome variable of depressive symptoms were performed using a random effects repeated measures piecewise growth model to estimate trajectory shape over time on an intention-to-treat basis. Results revealed that the reduction in depressive symptoms achieved during the intervention phase continued across the follow-up period for both ACDC and UC (i.e., depressive symptoms showed a significantly decreasing trend in both groups in intervention and follow-up phases); however, no differential effects between conditions were found during the follow-up phase. The direct and indirect effects of the intervention on the other outcome variables’ follow-up results were also presented. ISRCTN registry ISRCTN19700389. Registered 6 October 2015. https://doi.org/10.1186/ISRCTN19700389. Full Protocol: https://doi.org/10.1186/s12888-016-0954-y

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Title: Six- and Twelve-Month Follow-up Results of a Cluster Randomized Controlled Trial of a CBT-Based Group Course
Authors: Serap Keles
Thormod Idsoe
Publication date: 01-05-2021
Publisher: Springer US
Keywords: Mood Disorders
Affective Disorder
Published in: Prevention Science / Issue 4/2021
Print ISSN: 1389-4986
Electronic ISSN: 1573-6695
DOI: https://doi.org/10.1007/s11121-020-01160-0

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Six- and Twelve-Month Follow-up Results of a Cluster Randomized Controlled Trial of a CBT-Based Group Course

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