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Relationship between depressive symptoms and quality of life in Nigerian patients with schizophrenia

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Abstract

Purpose

Quality of life (QOL) in patients with schizophrenia is influenced by various factors such as depressive symptoms. This study assessed the relationship between depressive symptoms and QOL in outpatients with schizophrenia in Nigeria and evaluated the associated socio-demographic and clinical factors.

Methods

One hundred patients with 10th edition of the International Classification of Diseases diagnosis of schizophrenia participated in this study. Socio-demographic and clinical factors such as depression were assessed with Zung Self-rating Depression Scale and symptoms of schizophrenia with the Positive and Negative Syndrome Scale of schizophrenia (PANSS). The level of functioning was assessed with the Global Assessment of Functioning Scale. QOL was assessed using the brief version of the World Health Organisation Quality of Life Scale.

Results

There were 27 (27.0 %) patients with depression. The depressed patients reported significant lower scores in all QOL domains when compared with the non-depressed group. All QOL domains were significantly negatively correlated with the total PANSS and all its subscales (except for psychological domain with total PANSS and social relationship and environmental domains with PANSS positive). Severity of depressive symptoms was significantly negatively correlated with all QOL domains. Functioning was significantly positively correlated with all QOL domains except in the environmental domain. Multiple regression analysis showed that depressive symptoms predicted all QOL domains except the social relationship domain while negative symptoms predicted social relationship and environmental domains.

Conclusion

Depression is a common occurrence during the course of schizophrenia. Depressive and negative symptoms have a significant impact on the QOL of patients with schizophrenia.

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Authors and Affiliations

  1. Department of Mental Health, College of Health Sciences, Obafemi Awolowo University, Ile-Ife, Osun State, Nigeria

    Adesanmi Akinsulore, Olutayo O. Aloba, B. M. Mapayi, I. O. Oloniniyi, F. O. Fatoye & R. O. A. Makanjuola

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  1. Adesanmi Akinsulore
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  2. Olutayo O. Aloba
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  3. B. M. Mapayi
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  4. I. O. Oloniniyi
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  5. F. O. Fatoye
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  6. R. O. A. Makanjuola
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Correspondence to Adesanmi Akinsulore.

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Akinsulore, A., Aloba, O.O., Mapayi, B.M. et al. Relationship between depressive symptoms and quality of life in Nigerian patients with schizophrenia. Soc Psychiatry Psychiatr Epidemiol 49, 1191–1198 (2014). https://doi.org/10.1007/s00127-014-0838-8

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  • DOI: https://doi.org/10.1007/s00127-014-0838-8

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