The Symptom Check-List-90-R (SCL-90-R) is a widely used psychological status symptom inventory. The properties of the German SCL-90-R version were studied in two clinical samples: psychosomatic outpatients and primary care patients. The data were compared with a German community sample. The internal consistency, measured by Cronbach's alpha coefficients, was found to be high, for the global scale and all original subscales. Mokken scale analysis indicated hierarchical structure for most of the subscales. Concurrent validity, evaluated by studying the relationship between the SCL-90-R subscales and the Inventory of Interpersonal Problems (IIP-C) and the General Health Questionnaire (GHQ-12) was also high. On the basis of receiver operating characteristic (ROC) analyses, it was found that the SCL-90-R was able to differentiate between subjects known to have a given psychological disorder and those who do not. Results of exploratory and confirmatory factor analysis failed to support the original nine factor model and two subsequent factor models. The strong interdependence of the original subscales and the strong first unrotated factor of the exploratory factor analyses raised concern regarding the multi-dimensionality of the SCL-90-R subscales. We concluded that the SCL-90-R is a useful tool for measuring psychological status, measuring change in outcome studies, or screening for mental disorders.

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A Symptom Checklist (SCL-90-R) is a potentially useful measure of psychological distress; it is frequently used in psychotherapy research and clinical practice. The purpose of this study was to illustrate the use of the SCL-90-R for determining statistically reliable change and clinical significance outlined by Jacobson and Truax in 1991. This paper describes the concepts of statistical and clinical significance of change. A proposal for obtaining and characterizing samples is made. Then a clinician's perspective is taken. Reliable change estimates and cut-off scores are chosen based on outcome data. Selected data from a single psychotherapeutic process and outcome study then were used to test the estimates of change and cut-off scores.

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The work group on psychiatry and migration of the Conference of Directors of Psychiatric Hospitals in Germany conducted a study on the use of inpatient psychiatric services by migrants in 12 psychiatric and psychotherapeutic hospitals and hospital departments. In contrast to previous studies the proportion of migrants in psychiatric hospitals (17.4%) equaled that of migrants in the general population. However there still was a high rate of diagnostic and treatment problems resulting from cultural differences and, to a lesser extent, from language problems. A high proportion of migrants suffered from delusional and schizophrenic disorders, while there were considerable differences in the distribution of diagnoses between different groups of migrants, e.g. those from Turkey and eastern Europe, respectively. Roughly half of all migrants studied had German citizenship. Among the migrants of Turkish background, a high proportion was born in Germany. The number of asylum seekers and refugees was disproportionately high.