Assessing depression in youth at clinical high risk for psychosis: a comparison of three measures.

ABSTRACT: Depressive symptoms are prevalent among individuals at clinical high-risk (CHR) for psychosis. Prior studies have used the Beck Depression Inventory (BDI), Hamilton Depression Rating Scale (HDRS), and the "dysphoric mood" item of the Scale of Prodromal Symptoms (SOPS) to assess depressive symptoms in CHR samples. We compared the psychometric properties of these instruments in a CHR cohort, to support the selection of appropriate depressive symptoms measures in future studies and in clinical settings. Internal consistency was assessed using Cronbach's alpha. Construct validity was assessed through correlations with SOPS items that were expected or not expected to be related to depressive symptoms. Criterion validity was assessed by comparing scores between patients with and without a major

SUBMITTER: DeVylder JE 

PROVIDER: S-EPMC3945159 | biostudies-literature | 2014 Feb

REPOSITORIES: biostudies-literature