Impact of personality and depression on quality of life in patients with severe haemophilia in Korea

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Among reports on the psychological variables that influence quality of life (QoL), none has addressed the impact of personality on QoL in patients with haemophilia. We investigated the impact of psychosocial variables including depression and personality on QoL in patients with severe haemophilia. A cross-sectional survey examining psychosocial and clinical characteristics was administered to Korean patients with severe haemophilia. Personality traits were ascertained using the 10-item short version of the Big Five Inventory, which quantifies five personality dimensions including extraversion, agreeableness, conscientiousness, neuroticism and openness. Patient QoL and depression were measured by the World Health Organization Quality of Life-abbreviated version and the Beck Depression Inventory (BDI) respectively. Multivariate linear regression analyses were used for each domain to determine the impact of psychological variables on QoL. Of the 53 subjects who consented to participate, 46 cases were finally analysed. Multivariate linear regression analyses demonstrated that agreeableness was significantly and positively associated with the physical health domain of QoL. Openness was independently and positively associated with the psychological and social relationship domains of QoL. BDI scores were significantly and negatively associated with all four domains of the QoL. Persistent pain and joint impairment showed strong associations with all domains in a univariate analysis, but the impact was attenuated after adjusting for psychosocial variables. Personality and depression had strong impacts on QoL independent of physical status in patients with severe haemophilia. Providing psychological screening and intervention are recommended for enhancing QoL in patients with severe haemophilia.

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