Rudolf Uher1, Robert Goodman. 1. King's College London Institute of Psychiatry, London, SE5 8AF, UK.
Abstract
BACKGROUND: Psychological distress and well-being underlie the continuum of susceptibility to common mental disorders. Our objective was to provide a simple and acceptable measure of psychological distress and well-being to collect information from subjects and informants in non-clinical samples, to explore its internal structure, concurrent and external validity. METHOD: Self and partner versions of the ten-item Everyday Feeling Questionnaire (EFQ) were administered to 5,279 adults. The 12-item General Health Questionnaire (GHQ) was used to establish concurrent validity. Socioeconomic status, child psychopathology, and family functioning served as external validators. RESULTS: The EFQ was internally consistent with all items loading strongly on a single common factor. Item response analysis showed excellent sensitivity of the ten items, balanced contribution of well-being and distress items and good information content across a broad range. The internal structure of partner version did not differ from self-report. The constructs measured by the EFQ and GHQ were distinct, but highly correlated. The EFQ's correlations with external validators were stronger than GHQ's ones. CONCLUSION: Psychological well-being and distress are measurable as a single construct, using the EFQ. The partner-report version will facilitate the collection of data on multiple household members or on the same individual from two or more sources.
BACKGROUND: Psychological distress and well-being underlie the continuum of susceptibility to common mental disorders. Our objective was to provide a simple and acceptable measure of psychological distress and well-being to collect information from subjects and informants in non-clinical samples, to explore its internal structure, concurrent and external validity. METHOD: Self and partner versions of the ten-item Everyday Feeling Questionnaire (EFQ) were administered to 5,279 adults. The 12-item General Health Questionnaire (GHQ) was used to establish concurrent validity. Socioeconomic status, child psychopathology, and family functioning served as external validators. RESULTS: The EFQ was internally consistent with all items loading strongly on a single common factor. Item response analysis showed excellent sensitivity of the ten items, balanced contribution of well-being and distress items and good information content across a broad range. The internal structure of partner version did not differ from self-report. The constructs measured by the EFQ and GHQ were distinct, but highly correlated. The EFQ's correlations with external validators were stronger than GHQ's ones. CONCLUSION: Psychological well-being and distress are measurable as a single construct, using the EFQ. The partner-report version will facilitate the collection of data on multiple household members or on the same individual from two or more sources.
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