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Social Psychiatry and Psychiatric Epidemiology
Published in: Social Psychiatry and Psychiatric Epidemiology 10/2007

01-10-2007 | ORIGINAL PAPER

Measurement of quality of life in schizophrenia: a comparison of two scales

Authors: Yvette Kusel, Dr. Richard Laugharne, Sian Perrington, Jan McKendrick, Deborah Stephenson, J. Stockton-Henderson, Madeline Barley, R. McCaul, Tom Burns

Published in: Social Psychiatry and Psychiatric Epidemiology | Issue 10/2007

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Abstract

Background

People with schizophrenia have an impaired quality of life (QoL), and various QoL assessment scales are available. However it is not clear which scale should be used in different situations. We aimed to compare a patient-rated subjective QoL scale with an observer-rated QoL scale by measuring their degree of correlation and their respective associative profiles with outcome measures.

Method

Patients of the UK Schizophrenia Care and Assessment Program completed a patient-rated QoL questionnaire (MANSA). Research staff completed the observer-rated QoL tool (QLS) as part of an assessment of symptomatology and functioning.

Results

The two QoL tools were moderately positively correlated (r = 0.39). Both scales were negatively correlated with positive and negative symptoms of schizophrenia and depressive symptoms, and positively correlated with functioning scores. However the two scales were influenced by different factors. The patient-rated QoL was more significantly influenced by depressive symptoms, and the observer-rated QoL was more heavily influenced by negative symptoms.

Conclusions

Patient-rated and observer-rated QoL are moderately related, with a number of joint determinants, but the former is sensitive to depressive influences, whilst the latter is sensitive to the negative symptomatology of schizophrenia.
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Metadata
Title
Measurement of quality of life in schizophrenia: a comparison of two scales
Authors
Yvette Kusel
Dr. Richard Laugharne
Sian Perrington
Jan McKendrick
Deborah Stephenson
J. Stockton-Henderson
Madeline Barley
R. McCaul
Tom Burns
Publication date
01-10-2007
Publisher
D. Steinkopff-Verlag
Published in
Social Psychiatry and Psychiatric Epidemiology / Issue 10/2007
Print ISSN: 0933-7954
Electronic ISSN: 1433-9285
DOI
https://doi.org/10.1007/s00127-007-0249-1

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