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Cited by 156Schizophrenia research and treatmentSleep and related disordersMental Health and Psychiatry

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Perceived quality of life in schizophrenia: Relationships to sleep quality

Ritsner, Michael, Kurs, Rena, Ponizovsky, Alexander, Hadjez, Jack·2004·Quality of Life Research
DOI 10.1023/b:qure.0000021687.18783.d6
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Abstract

We examined the relationship between perceived quality of life (QOL) and subjective quality of sleep among schizophrenia patients, and its relation to symptom severity, side effects and emotional distress. One hundred and forty five schizophrenia patients were comprehensively evaluated with standardized measures of symptom severity, adverse effects, emotional distress, QOL, and sleep quality (the Pittsburgh Sleep Quality Index, PSQI). Partial correlation and multiple regression analyses were performed. Poor sleepers reported lower mean scores on all QOL domains, they were more depressed and distressed, and had more adverse effects to medications with concomitant distress than good sleepers. The negative relationship between complaints of poor sleep quality and QOL measures remained significant when the confounding effect of depression, side effects, and distress was partialled from the correlation matrix. Daytime dysfunction (a component of the PSQI) accounted for 12.6% of the variance in QOL index scores. Thus, poor QOL reported by schizophrenia patients is substantially associated with poor sleep quality. This association appears both independently and synergistically with depression, distress and side effects of medications.

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Metadata

Authors
Ritsner, M., Kurs, R., Ponizovsky, A., & Hadjez, J.
Affiliations
Sha'ar Menashe Mental Health Center (IL)
Corresponding author
Ritsner, Michael
ORCID
Kurs, Rena
Venue
Quality of Life Research
Publisher
Springer Science and Business Media LLC
Published
2004-05
Volume
13
Issue
4
Pages
783-791
ISSN
  • 0962-9343 (ISSN-L)
  • 1573-2649
DOI
10.1023/b:qure.0000021687.18783.d6
OpenAlex
W1965458709
Cited by
156
References
3
Citations by year
2026: 5 · 2025: 5 · 2024: 10 · 2023: 5 · 2022: 8 · 2021: 6 · 2020: 14 · 2019: 10 · 2018: 6 · 2017: 6 · 2016: 10 · 2015: 9 · 2014: 4 · 2013: 10 · 2012: 5
FWCI
4.18
Type
journal article
Language
en
Open access
closed
Licence
Locations
  • Quality of Life Research (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Schizophrenia research and treatment
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
  • Social Sciences › Arts and Humanities › Philosophy › Mental Health and Psychiatry
Keywords
schizophrenia, quality of life, sleep quality, daytime dysfunction, depression, emotional distress, antipsychotic adverse effects, Pittsburgh Sleep Quality Index, symptom severity
MeSH terms
Adolescent, Adult, Aged, Depression, Humans, Israel, Longitudinal Studies, Middle Aged, Psychiatric Status Rating Scales, Psychometrics, Quality of Life, Schizophrenia, Schizophrenic Psychology, Severity of Illness Index, Sleep Deprivation, Sickness Impact Profile

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