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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. [ABSTRACT FROM AUTHOR]

It is well established that socioeconomic position (SEP) and social relations impact physical function and mortality in old age. Due to differential vulnerability, few social relations may lead to greater decline in physical function and mortality among older people with low compared to high SEP. The aim was to investigate whether older people with few social relations experience greater decline in physical function and mortality when also subject to low financial assets? The study population included 4060 older people aged 75 or 80 years at baseline in 1998-1999. Social relations at baseline and physical function at baseline and after 1.5, 3.0 and 4.5 years were obtained from questionnaires. Financial assets at baseline and mortality during 10 years of follow-up were obtained from registers. Analyses of the associations between financial assets combined with social relations and decline in physical function and mortality, respectively, were conducted. Among males, but not females, low financial assets and few social relations were associated with the greatest decline in physical function. Yet, interaction only reached significance between financial assets and visits. Among males and females, low financial assets and few social relations were associated with the highest mortality. Interactions only reached significance between financial assets and visits for females and social activity for males. In conclusion, few social relations implied greater decline in physical function among older males and higher mortality among older males and females with low financial assets; however, the study only supports the presence of differential vulnerability for visits and social activity. [ABSTRACT FROM AUTHOR]