Longitudinal analysis of subjective quality of life in schizophrenia: Anxiety as the best symptom predictor

Jonathan D. Huppert*, Thomas E. Smith

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

92 Scopus citations

Abstract

We examined the relationships among changes in anxiety, depression, core symptoms of schizophrenia, and subjective quality of life (QL) longitudinally. Fifty-three stabilized outpatients diagnosed with schizophrenia or schizoaffective disorder were assessed for QL and symptoms every 3 months for a period of 1 year. Using mixed effects models, we found that changes in anxiety, as rated on the Brief Psychiatric Rating Scale, were inversely associated with general life satisfaction and satisfaction with many specific domains. These relationships were stronger than the relationships of QL and any other core symptoms of schizophrenia, including depression. Anxiety was also related to some positive and negative symptoms. These findings support the notion that more precise analysis of general psychopathology, and anxiety in particular, is important in clarifying the factors involved in QL in schizophrenia. We explain our findings in the context of current theories of affect and suggest implications for the treatment of schizophrenia.

Original languageAmerican English
Pages (from-to)669-675
Number of pages7
JournalJournal of Nervous and Mental Disease
Volume189
Issue number10
DOIs
StatePublished - 2001
Externally publishedYes

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