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. 2014 Nov 6;9(11):e111498.
doi: 10.1371/journal.pone.0111498. eCollection 2014.

Impact of multimorbidity on disability and quality of life in the Spanish older population

Noe Garin  1 , Beatriz Olaya  1 , Maria Victoria Moneta  2 , Marta Miret  3 , Antonio Lobo  4 , Jose Luis Ayuso-Mateos  5 , Josep Maria Haro  1
Affiliations

Impact of multimorbidity on disability and quality of life in the Spanish older population

Noe Garin et al. PLoS One. .

Abstract

Background: Population aging is closely related to high prevalence of chronic conditions in developed countries. In this context, health care policies aim to increase life span cost-effectively while maintaining quality of life and functional ability. There is still, however, a need for further understanding of how chronic conditions affect these health aspects. The aim of this paper is to assess the individual and combined impact of chronic physical and mental conditions on quality of life and disability in Spain, and secondly to show gender trends.

Methods: Cross-sectional data were collected from the COURAGE study. A total of 3,625 participants over 50 years old from Spain were included. Crude and adjusted multiple linear regressions were conducted to detect associations between individual chronic conditions and disability, and between chronic conditions and quality of life. Separate models were used to assess the influence of the number of diseases on the same variables. Additional analogous regressions were performed for males and females.

Results: All chronic conditions except hypertension were statistically associated with poor results in quality of life and disability. Depression, anxiety and stroke were found to have the greatest impact on outcomes. The number of chronic conditions was associated with substantially lower quality of life [β for 4+ diseases: -18.10 (-20.95,-15.25)] and greater disability [β for 4+ diseases: 27.64 (24.99,30.29]. In general, women suffered from higher rates of multimorbidity and poorer results in quality of life and disability.

Conclusions: Chronic conditions impact greatly on quality of life and disability in the older Spanish population, especially when co-occurring diseases are added. Multimorbidity considerations should be a priority in the development of future health policies focused on quality of life and disability. Further studies would benefit from an expanded selection of diseases. Policies should also deal with gender idiosyncrasy in certain cases.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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