Relationship between cognitive insight and subjective quality of life in outpatients with schizophrenia
- Authors
- Kim, Jong-Hoon; Lee, Seul; Han, Ah-Young; Kim, Kyungwook; Lee, Jinyoung
- Issue Date
- Aug-2015
- Publisher
- DOVE MEDICAL PRESS LTD
- Keywords
- cognitive insight; self-reflectiveness; subjective quality of life; depressive symptoms; schizophrenia
- Citation
- NEUROPSYCHIATRIC DISEASE AND TREATMENT, v.11, pp.2041 - 2048
- Journal Title
- NEUROPSYCHIATRIC DISEASE AND TREATMENT
- Volume
- 11
- Start Page
- 2041
- End Page
- 2048
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/11843
- DOI
- 10.2147/NDT.590143
- ISSN
- 1178-2021
- Abstract
- Background: The concept of cognitive insight refers to the cognitive processes involved in patients' re-evaluation of their anomalous experiences and of their misinterpretations. The purpose of the present study was to examine the relationship between cognitive insight and subjective quality of life in patients with schizophrenia to further shed light on the nature of cognitive insight and its functional correlates in schizophrenia. Methods: Seventy-one stable outpatients with schizophrenia were evaluated for cognitive insight and subjective quality of life using the Beck Cognitive Insight Scale (BCIS) and the Schizophrenia Quality of Life Scale Revision 4 (SQLS-R4). The symptoms of schizophrenia. were also assessed. Pearson's correlation analysis and partial correlation analysis that controlled for the severity of symptoms were performed to adjust for the possible effects of symptoms. Results: The self-reflectiveness subscale score of the BCIS had significant positive correlations with the SQLS-R4 psychosocial domain and total SQLS-R4 scores, indicating that the higher the level of cognitive insight, the lower the subjective quality of life. In partial correlahon controlling for symptoms, the :BCIS self-reflectiveness subscale score still had a significant correlation with the SQLS-R4 psychosocial domain score. The correlation coefficient between the BC IS self-reflectiveness and total SQLS-R4 scores was reduced to a nonsignificant statistical tendency. Conclusion: The results of our study suggest that cognitive insight, particularly the level of self-reflectiveness, is negatively associated with the level of subjective quality of life in outpatients with schizophrenia and that this relationship is not wholly due to the confounding effect of symptoms. Future studies are necessary to explore possible mediating and moderating factors and to evaluate the effects of therapeutic interventions on the relationship.
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