Links Between Mortality and Socioeconomic Characteristics, Disease Burden, and Biological and Physical Functioning in the Aging Chinese Population

Psychosocial factors associated with longevity in the United States: Age differences between the old and oldest-old in the health and retirement study

Yuan S Zhang, John A Strauss, Peifeng Hu, Yaohui Zhao and Eileen M Crimmins

The Journals of Gerontology: Series B, 2022, vol. 77, issue 2, 365-377

Abstract: ObjectivesDeterminants of mortality may depend on the time and place where they are examined. China provides an important context in which to study the determinants of mortality at older ages because of its unique social, economic, and epidemiological circumstances. This study uses a nationally representative sample of persons in China to determine how socioeconomic characteristics, early-life conditions, biological and physical functioning, and disease burden predict 4-year mortality after age 60.MethodsWe used data from the China Health and Retirement Longitudinal Study. We employed a series of Cox proportional hazard models based on exact survival time to predict 4-year all-cause mortality between the 2011 baseline interview and the 2015 interview.ResultsWe found that rural residence, poor physical functioning ability, uncontrolled hypertension, diabetes, cancer, a high level of systemic inflammation, and poor kidney functioning are strong predictors of mortality among older Chinese.DiscussionThe results show that the objectively measured indicators of physical functioning and biomarkers are independent and strong predictors of mortality risk after accounting for several additional self-reported health measures, confirming the value of incorporating biological and performance measurements in population health surveys to help understand health changes and aging processes that lead to mortality. This study also highlights the importance of social and historical context in the study of old-age mortality.

Keywords: China Health and Retirement Longitudinal Study (CHARLS); Death and dying; Life course analysis; Socioeconomic status (search for similar items in EconPapers)
Date: 2022
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