The relationship of personality dimensions as measured by the temperament and character inventory and quality of life in individuals with schizophrenia or schizoaffective disorder living in the community
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The influence of personality factors on the appraisal of subjective quality of life in individuals with schizophrenia or schizoaffective disorder is not much investigated. The present study examined this relationship in a sample of 104 patients living in the community. The temperament and character inventory was used to assess personality and the Lancashire quality of life profile was used to assess quality of life. The results showed that lower levels of harm avoidance and higher levels of self-directedness were significantly correlated to a better subjective quality of life. Regression analyses controlling for psychopathology revealed that a higher level of self-directedness was significantly associated with a better subjective quality in all aspects measured and explained the variance in the latter in the range of 4–12%. It is concluded that personality factors are involved in severely mentally ill individuals' assessment of their quality of life and should be accounted for in evaluations of quality of life assessments. The strength and directions of this influence require further studies.
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