Aging and Mental Health 2015-01-01

Personality, psychosocial and health-related predictors of quality of life in old age.

Kerstin Weber, Alessandra Canuto, Panteleimon Giannakopoulos, Aline Mouchian, Corina Meiler-Mititelu, Andri Meiler, François R Herrmann, Christophe Delaloye, Paolo Ghisletta, Thierry Lecerf, Anik de Ribaupierre

Index: Aging. Ment. Health. 19(2) , 151-8, (2014)

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Abstract

Beyond its well-documented association with depressive symptoms across the lifespan, at an individual level, quality of life may be determined by multiple factors: psychosocial characteristics, current physical health and long-term personality traits.Quality of life was assessed in two distinct community-based age groups (89 young adults aged 36.2 ± 6.3 and 92 older adults aged 70.4 ± 5.5 years), each group equally including adults with and without acute depressive symptoms. Regression models were applied to explore the association between quality of life assessed with the World Health Organization Quality of Life - Bref (WHOQOL-Bref) and depression severity, education, social support, physical illness, as well as personality dimensions as defined by the Five-Factor Model.In young age, higher quality of life was uniquely associated with lower severity of depressive symptoms. In contrast, in old age, higher quality of life was related to both lower levels of depressive mood and of physical illness. In this age group, a positive association was also found between quality of life and higher levels of Openness to experience and Agreeableness personality dimensions.Our data indicated that, in contrast to young cohorts, where acute depression is the main determinant of poor quality of life, physical illness and personality dimensions represent additional independent predictors of this variable in old age. This observation points to the need for concomitant consideration of physical and psychological determinants of quality of life in old age.