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Concurrent and Prospective Prediction of Community-dwelling Adults' Psychosocial Functioning with the Inventory of Depression and Anxiety Symptoms-II (IDAS-II)

Overview
Journal Psychol Assess
Specialty Psychiatry
Date 2024 Oct 21
PMID 39432350
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Abstract

Mood and anxiety disorders involve defining symptoms (e.g., dysphoria, anhedonia) that can impair psychosocial functioning (e.g., self-care, work, social relationships). The present study evaluated the validity of the Inventory of Depression and Anxiety Symptoms-II (IDAS-II; Watson et al., 2012) via convergence with a semistructured interview assessing mood and anxiety disorder symptoms and, moreover, prediction of psychosocial functioning. Community-dwelling adults ( = 601) completed the self-report IDAS-II, a semistructured diagnostic interview, and self-report and interview measures of psychosocial functioning. A retest subsample (s = 497-501) completed the functioning measures again, on average 8 months later. Supporting our hypotheses, the IDAS-II converged robustly with interview-assessed symptoms and predicted psychosocial functioning significantly, both concurrently and prospectively. Moreover, the IDAS-II predicted functioning significantly better than did the diagnostic interview. These findings support use of the IDAS-II in research and clinical settings to assess mood and anxiety symptoms and their connections to psychosocial impairment. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

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