Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries

Abstract Handgrip strength, a measure of muscular strength is a powerful predictor of declines in intrinsic capacity, functional abilities, the onset of morbidity and mortality among older adults. This study documents socioeconomic (SES) differences in handgrip strength among older adults aged 50 ye...

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Autores principales:	P. Arokiasamy, Y. Selvamani, A. T. Jotheeswaran, Ritu Sadana
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/1e098fa1722e48cd81d5972929a2248e
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spelling	oai:doaj.org-article:1e098fa1722e48cd81d5972929a2248e2021-12-02T17:37:40ZSocioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries10.1038/s41598-021-99047-92045-2322https://doaj.org/article/1e098fa1722e48cd81d5972929a2248e2021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-99047-9https://doaj.org/toc/2045-2322Abstract Handgrip strength, a measure of muscular strength is a powerful predictor of declines in intrinsic capacity, functional abilities, the onset of morbidity and mortality among older adults. This study documents socioeconomic (SES) differences in handgrip strength among older adults aged 50 years and over in six middle-income countries and investigates the association of handgrip strength with measures of intrinsic capacity—a composite of all the physical and mental capacities of an individual. Secondary data analysis of cross-sectional population-based data from six countries from the WHO’s Study on global AGEing and adult health (SAGE) Wave 1 were conducted. Three-level linear hierarchical models examine the association of demographic, socioeconomic status and multimorbidity variables with handgrip strength. Regression-based Relative Index of Inequality (RII) examines socioeconomic inequalities in handgrip strength; and multilevel linear and logistic hierarchical regression models document the association between handgrip strength and five domains of intrinsic capacity: locomotion, psychological, cognitive capacity, vitality and sensory. Wealth quintiles are positively associated with handgrip strength among men across all countries except South Africa while the differences by education were notable for China and India. Work and nutritional status are positively associated with handgrip strength. Our findings provide new evidence of robust association between handgrip strength and other measures of intrinsic capacity and confirms that handgrip strength is a single most important measure of capacity among older persons.P. ArokiasamyY. SelvamaniA. T. JotheeswaranRitu SadanaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-10 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q P. Arokiasamy Y. Selvamani A. T. Jotheeswaran Ritu Sadana Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
description	Abstract Handgrip strength, a measure of muscular strength is a powerful predictor of declines in intrinsic capacity, functional abilities, the onset of morbidity and mortality among older adults. This study documents socioeconomic (SES) differences in handgrip strength among older adults aged 50 years and over in six middle-income countries and investigates the association of handgrip strength with measures of intrinsic capacity—a composite of all the physical and mental capacities of an individual. Secondary data analysis of cross-sectional population-based data from six countries from the WHO’s Study on global AGEing and adult health (SAGE) Wave 1 were conducted. Three-level linear hierarchical models examine the association of demographic, socioeconomic status and multimorbidity variables with handgrip strength. Regression-based Relative Index of Inequality (RII) examines socioeconomic inequalities in handgrip strength; and multilevel linear and logistic hierarchical regression models document the association between handgrip strength and five domains of intrinsic capacity: locomotion, psychological, cognitive capacity, vitality and sensory. Wealth quintiles are positively associated with handgrip strength among men across all countries except South Africa while the differences by education were notable for China and India. Work and nutritional status are positively associated with handgrip strength. Our findings provide new evidence of robust association between handgrip strength and other measures of intrinsic capacity and confirms that handgrip strength is a single most important measure of capacity among older persons.
format	article
author	P. Arokiasamy Y. Selvamani A. T. Jotheeswaran Ritu Sadana
author_facet	P. Arokiasamy Y. Selvamani A. T. Jotheeswaran Ritu Sadana
author_sort	P. Arokiasamy
title	Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
title_short	Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
title_full	Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
title_fullStr	Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
title_full_unstemmed	Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
title_sort	socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/1e098fa1722e48cd81d5972929a2248e
work_keys_str_mv	AT parokiasamy socioeconomicdifferencesinhandgripstrengthanditsassociationwithmeasuresofintrinsiccapacityamongolderadultsinsixmiddleincomecountries AT yselvamani socioeconomicdifferencesinhandgripstrengthanditsassociationwithmeasuresofintrinsiccapacityamongolderadultsinsixmiddleincomecountries AT atjotheeswaran socioeconomicdifferencesinhandgripstrengthanditsassociationwithmeasuresofintrinsiccapacityamongolderadultsinsixmiddleincomecountries AT ritusadana socioeconomicdifferencesinhandgripstrengthanditsassociationwithmeasuresofintrinsiccapacityamongolderadultsinsixmiddleincomecountries
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Socioeconomic differences in handgrip strength and its association with measures of intrinsic capacity among older adults in six middle-income countries

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