Short report
The inter-rater reliability of the Dutch version of the core. A validation study
conducted among depressed elderly in-patients
D. Rhebergen, A. Rouwenhorst, H.C. Comijs, A. Dols, A.T.F. Beekman, C.B. Terwee, D. Arts, M.L. Stek
summary
background Assessment of psychomotor symptoms may lead to better classification of depressive disorders.
aim To test the inter-rater reliability of the Dutch version of core, an observational instrument for psychomotor symptoms.
method The core was used with 37 depressed in-patients and was scored by 5 psychiatrists. Intra-class correlation (icc-agreement) was tested.
results iccagreement of the total score (0.80), and the subscales non-interaction (0.74), retardation (0.70) and agitation (0.79) were sufficient.
conclusion The Dutch version of the core is a reliable instrument.