Das Konstrukt Lebensqualität Metaanalytische Validierung und die Entwicklung eines modularen Erhebungssystems

Abstract

The construct Quality of Life (QoL) is investigated by metaanalysis of eight (inter)nationally validated questionnaires in a multicenter study. Data have been collected in a mentally healthy (n = 479), a depressed (n = 171) and a schizophrenic (n = 139) sample. Conventional psychometric criteria and a facet analytical methodology have been applied. The resulting questionnaire "Modular System for Quality of Life" (MSQoL) consists of a core module with 47 items (one "G-factor" and six subdimensions), which is sufficiently valid for all three samples. Additionally, there are four specific modules (demography, family, partnership, profession). No specific modules can be identified for the psychopathological subgroups. The validated radex structure for subjective QoL offers the opportunity for a cumulative research design and for adaptations to the actual setting.

A Pilot RCT of Psychodynamic Group Art Therapy for Patients in Acute Psychotic Episodes: Feasibility, Impact on Symptoms and Mentalising Capacity

“…Quality of life during the past 4 weeks was evaluated using the core module of the Modular system for quality of life (MSQoL, [44]). …”

Measuring quality of life in first-episode psychosis

“…Other studies however indicate that measures of subjective and objective QoL assess different constructs [4], and discrepancies between subjective and objective QoL, even though of a lesser magnitude, has also been shown for other psychiatric patient groups [2]. Studies show good test–retest reliability for psychotic patients' self-reported QoL [34,37] and demonstrate that patients with schizophrenia construct QoL very similar to healthy controls and to patients with depression [34]. It is thus reasonable to conclude that self-reported satisfaction or subjective QoL also is an important and valid outcome measure in schizophrenia and other psychotic disorder.…”

Comparison of clinical course and quality of life in patients with cycloid and schizophrenic psychoses

“…Das Konstrukt der Lebensqualität hat sich in theoretischen Analysen als valide erwiesen [21].Wir wählten zur Querschnittsuntersuchung die deutsche Kurzversion des entsprechenden WHO-Instruments, des WHOQOL-BREF [26],der vielfach zur Untersuchung physisch Kranker und gesunder Probanden, aber auch psychisch kranker Menschen verwendet wurde [2,7].Der WHOQOL-BREF liefert Zufriedenheitswerte bezüglich 4 Domänen: physische und psychische Befindlichkeit, soziale Beziehungen und Umwelt sowie eine Selbstbeurteilung zur allgemeinen Lebensqualität und Gesundheit. Die Antworten auf die einelnen Fragen wurden in 5 Graden erfasst: 1 (sehr unzufrieden) bis 5 (sehr zufrieden).…”