Journal
INTERNATIONAL JOURNAL OF METHODS IN PSYCHIATRIC RESEARCH
Volume 18, Issue 3, Pages 159-168Publisher
WILEY
DOI: 10.1002/mpr.288
Keywords
ethnic groups; psychometrics; mass screening; anxiety disorders; depressive disorders
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Funding
- Municipality of Amsterdam
- mental health care institutions Arkin (formerly JellinekMentrum and AMC de Meren)
- GGZ inGeest (formerly Stichting Buitenamstel Geestgronden)
- Amsterdam Municipal Health Service
- Academic Medical Centre of the University of Amsterdam
- Netherlands Organisation for Health Research and Development (ZonMw)
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The Kessler Psychological Distress scale (K10) is an instrument that is widely used to screen for mental disorders, but information is lacking on its psychometric qualities in non-Western samples. This study used a population-based sample (N = 725) to assess the reliability and validity of the K10 across ethnic groups in an urban area. The results were generally supportive of the K10 as a reliable and valid instrument to screen for anxiety and depression in all three groups. Cronbach's alpha was high (0.93) and the results indicated the existence of a solid single factor structure. Item bias in relation to ethnic background was minor. In each group, there was good criterion validity with respect to one-month DSM-IV diagnosis for depressive and/or anxiety disorder. The results nevertheless highlight the importance of cross-cultural validation, as we found different cut-off values for ethnic subgroups to obtain optimal sensitivity and specificity for detecting depressive and/or anxiety disorders. Copyright (C) 2009 John Wiley & Sons, Ltd.
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