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Norm values and psychometric properties of the brief symptom inventory-18 regarding individuals between the ages of 60 and 95

OBJECTIVE: The SCL-90 and the SCL-90-R are the most applied measures regarding psychological distress. To reduce and prevent an overload to of the individuals, the Brief Symptom Inventory with 18 items (BSI-18) was developed based on the SCL-90. Since psychological disorders more frequently occur at an older age, there is a growing need for efficient instruments to measure distress in the elderly. However, the BSI-18’s psychometric properties, norm values, and factorial structure have not yet been investigated in this age group. METHODS: The aim of this study was to evaluate the BSI-18 in a sample of elderly people and to establish norm values for this specific population. Subsequently, demographic information and BSI-18 results were collected from a sample totaling 884 (55% female, mean age of 70.75 years, SD = 7.08, age range = 60–95 years). The questionnaire contains three six-item scales: somatization (SOMA), anxiety (ANX), and depression (DEPR), which form a general symptom index (GSI). RESULTS: We found an acceptable to good model fit for a three-factor-model with a general GSI factor. The BSI-18’s psychometric properties were satisfactory. Strict measurement invariance was shown for age and gender. Additionally, we found differences in psychological distress based on sociodemographic variables. CONCLUSIONS: These findings underline the growing need for preventive mechanisms for elderly people such as, e.g., (re)activating their social networks and strengthening their physical and psychological well-being.

Titel: Norm values and psychometric properties of the brief symptom inventory-18 regarding individuals between the ages of 60 and 95
Verfasser: Petrowski, Katja GND
Schmalbach, Bjarne
Jagla, Melanie
Franke, Gabriele Helga GND
Brähler, Elmar GND
Dokumenttyp: Artikel
Medientyp: Text
Erscheinungsdatum: 05.12.2018
Publikation in MIAMI: 13.12.2018
Datum der letzten Änderung: 04.01.2019
Quelle: BMC Medical Research Methodology 18 (2018) 164, 1-11
Schlagwörter: BSI-18; 60 to 95 years of age; Psychological distress; Elderly individuals; Norm values; Psychometric properties
Fachgebiete: Psychologie
Lizenz: CC BY 4.0
Sprache: Englisch
Förderung: Finanziert durch den Open-Access-Publikationsfonds 2018 der Deutschen Forschungsgemeinschaft (DFG) und der Westfälischen Wilhelms-Universität Münster (WWU Münster).
Format: PDF-Dokument
URN: urn:nbn:de:hbz:6-36159565091
DOI: 10.1186/s12874-018-0631-6