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Covariation of depressive symptoms over time

Published online by Cambridge University Press:  09 July 2009

George A. Hibbert ,
John D. Teasdale  and
Peter Spencer
George A. Hibbert*
Affiliation:
Department of Psychiatry, University of Oxford
John D. Teasdale
Affiliation:
Department of Psychiatry, University of Oxford
Peter Spencer
Affiliation:
Department of Psychiatry, University of Oxford
*
1Address for correspondence: Dr George Hibbert, University Department of Psychiatry, Warneford Hospital, Oxford OX3 7JX.
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Synopsis

The covariation over time of depressive symptoms was studied by repeated ratings of the symptoms of individual depressed in-patients. Both within-patient factor analysis of symptom scores and correlation of symptom change scores to total change scores suggested that, while the symptoms of reduced interest and pleasure covaried closely with ratings of observed and reported low mood, the more ‘biological’ symptoms of sleep and appetite disturbance showed little covariation. The implications for the study of depression are discussed.

Type
Preliminary Communication
Information
Psychological Medicine , Volume 14 , Issue 2 , May 1984 , pp. 451 - 455
Copyright
Copyright © Cambridge University Press 1984

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