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Economic hardship over twenty-two consecutive years of adult life and markers of early ageing: physical capability, cognitive function and inflammation.

ABSTRACT: This study assesses the associations between annual measures of economic hardship (EH) across 22 years of adulthood and objective measures of early ageing in a Danish late-middle-aged population (N = 5575). EH (years < 60% of the National median equivalized household disposable income) was experienced by 18% during 1987-2008. Four or more years in EH (reference = null years in EH) was related to poorer physical capability (chair rise: - 1.49 counts/30 s [95% confidence interval (CI) - 2.36, - 0.61], hand grip strength: - 1.22 kg [95% CI - 2.38, - 0.07], jump height: - 1.67 cm [95% CI - 2.44, - 0.91] and balance: 18% [95% CI 9, 28]), poorer cognitive function (Intelligenz-Struktur-Test: - 1.50 points [95% CI - 2.89, - 0.12]) and higher inflammatory levels (C-reactive protein: 22% [95% CI 4, 44], and Interleukin-6: 23% [95% CI 10, 39]). Comparing four EH trajectories, people with a high versus low probability of EH over time had poorer physical capability (chair rise: - 1.70 counts/30 s [95% CI - 3.38, - 0.01], grip: - 4.33 kg [95% CI - 6.50, - 2.16], jump: - 1.68 cm [95% CI - 3.12, - 0.25] and balance: 31% [95% CI 12, 52]). No associations were observed with tumour necrosis factor-α. Results were adjusted for sex, age, long-term parental unemployment/financial problems, education, baseline income and cohort. This study suggested EH for four or more years to be associated with poorer physical capability, cognitive function and increased inflammatory levels in midlife. High probability of EH across adulthood was similarly related to poorer physical capability and CRP, but not cognitive function and the remaining inflammatory markers. In conclusion, preventive initiatives focusing on reducing the burden of sustained economic hardship may lead to increased healthy ageing.

SUBMITTER: Foverskov E

PROVIDER: S-EPMC7040120 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Economic hardship over twenty-two consecutive years of adult life and markers of early ageing: physical capability, cognitive function and inflammation.

Foverskov Else E Petersen Gitte Lindved GL Pedersen Jolene Lee Masters JLM Rod Naja Hulvej NH Mortensen Erik Lykke EL Bruunsgaard Helle H Lund Rikke R

European journal of ageing 20190705 1

This study assesses the associations between annual measures of economic hardship (EH) across 22 years of adulthood and objective measures of early ageing in a Danish late-middle-aged population (<i>N</i> = 5575). EH (years < 60% of the National median equivalized household disposable income) was experienced by 18% during 1987-2008. Four or more years in EH (reference = null years in EH) was related to poorer physical capability (chair rise: - 1.49 counts/30 s [95% confidence interval (CI) - 2.3 ...[more]

PMID: 32158372

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Project description:ObjectivesTo examine associations between three commonly used objective measures of physical capability assessed at age 53 and a composite score of these measures and all cause mortality; to investigate whether being unable to perform these tests is associated with mortality.DesignCohort study.SettingMRC National Survey of Health and Development in England, Scotland, and Wales.Participants1355 men and 1411 women with data on physical capability at age 53 who were linked to the National Health Service (NHS) central register for death notification.Main outcome measureAll cause mortality between ages 53 (1999) and 66 (2012).ResultsFor each of the three measures of physical capability (grip strength, chair rise speed, and standing balance time) those participants unable to perform the test and those in the lowest performing fifth were found to have higher mortality rates than those in the highest fifth. Adjustment for baseline covariates partially attenuated associations but in fully adjusted models the main associations remained. For example, the fully adjusted hazard ratio of all cause mortality for the lowest compared with the highest fifth of a composite score of physical capability was 3.68 (95% confidence interval 2.03 to 6.68). Those people who could not perform any of the tests had considerably higher rates of death compared with those people able to perform all three tests (8.40, 4.35 to 16.23). When a series of models including different combinations of the measures were compared by using likelihood ratio tests, all three measures of physical capability were found to improve model fit, and a model including all three measures produced the highest estimate of predictive ability (Harrell's C index 0.71, 95% confidence interval 0.65 to 0.77). There was some evidence that standing balance time was more strongly associated with mortality than the other two measures.ConclusionsLower levels of physical capability at age 53 and inability to perform capability tests are associated with higher rates of mortality. Even at this relatively young age these measures identify groups of people who are less likely than others to achieve a long and healthy life.

Dataset Information

Economic hardship over twenty-two consecutive years of adult life and markers of early ageing: physical capability, cognitive function and inflammation.

Publications

Economic hardship over twenty-two consecutive years of adult life and markers of early ageing: physical capability, cognitive function and inflammation.

Similar Datasets

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