Trajectories of Symptom Change in School-Based Prevention Programs for Adolescent Girls with Subclinical Depression

Rineke Bossenbroek*, Marlou Poppelaars, Daan H. M. Creemers, Yvonne Stikkelbroek, Anna Lichtwarck-Aschoff

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

Effectiveness research on depression prevention usually compares pre- to post-intervention outcomes across groups, but this aggregation across individuals may mask heterogeneity in symptom change trajectories. Hence, this study aimed to identify subgroups of adolescents with unique trajectories of change in a school-based depression prevention trial. It was also examined how trajectory membership was associated with the intervention conditions, depressive symptoms at 12-month follow-up, and baseline predictors. Hundred-ninety adolescent girls (Mage = 13.34; range = 11-16 years) with subclinical depression at screening (M = 57 days before pre-test) were allocated to four conditions: a face-to-face, group-based program (OVK), a computerized, individual program (SPARX), OVK and SPARX combined, and a monitoring control condition. Growth Mixture Modeling was used to identify the distinct trajectories during the intervention period using weekly depressive symptom assessments from pre-test to post-test. Analyses revealed three trajectories of change in the full sample: Moderate-Declining (62.1% of the sample), High-Persistent (31.1%), and Deteriorating-Declining (6.8%) trajectories. Trajectories were unrelated to the intervention conditions and the High-Persistent trajectory had worse outcomes at follow-up. Several baseline factors (depression severity, age, acceptance, rumination, catastrophizing, and self-efficacy) enabled discrimination between trajectories. It is concluded that information about likely trajectory membership may enable (school) clinicians to predict an individual's intervention response and timely adjust and tailor intervention strategies as needed.

Original languageEnglish
Pages (from-to)659-672
Number of pages14
JournalJournal of Youth and Adolescence
Volume51
Early online date3-Feb-2022
DOIs
Publication statusPublished - Apr-2022

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