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Related Concept Videos

Long-term Depression01:05

Long-term Depression

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Long-term depression, or LTD, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTD is the process of synaptic weakening that occurs over time between pre and postsynaptic neuronal connections. The synaptic weakening of LTD works in opposition to synaptic strengthening by long-term potentiation (LTP) and together are the main mechanisms that underlie learning and memory.
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Does Social Pension Expansion Relieve Depression and Decrease Medical Costs? Evidence From the Rural Elderly in

Mi Zhou1, Xiaotong Sun1, Li Huang1

  • 1College of Economics and Management, Shenyang Agricultural University, Shenyang, China.

International Journal of Public Health
|April 4, 2022
PubMed
Summary

The New Rural Pension Scheme in China significantly reduces depressive symptoms and associated medical costs for elderly individuals. This pension program enhances future confidence, improving mental health outcomes for rural seniors.

Keywords:
depressionmedical expenditurepension enrollmentpension incomerural elderly

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Area of Science:

  • Gerontology
  • Public Health
  • Health Economics

Background:

  • Depressive symptoms and related medical costs pose significant challenges for the elderly population in rural China.
  • The New Rural Pension Scheme (NRPS) was implemented to improve the financial security of rural residents.

Purpose of the Study:

  • To investigate the impact of the NRPS on depressive symptoms among the rural elderly.
  • To assess the effect of the NRPS on medical costs associated with depression in this demographic.

Main Methods:

  • Utilized Logit, Ordinary Least Squares (OLS), and Two-Stage Least Squares (2SLS) regression models.
  • Employed quantile regression and regression discontinuity design (RDD) to establish causality.
  • Conducted placebo tests to validate findings.

Main Results:

  • The NRPS was found to decrease depressive symptoms (OR = 0.90) and reduce depression-induced medical costs by 4.6%.
  • RDD analysis confirmed a significant reduction in depressive symptoms and medical expenditures.
  • Increased confidence about the future was identified as a mediating factor for improved mental health.

Conclusions:

  • The NRPS effectively mitigates mental health problems and associated medical expenses for the rural elderly in China.
  • Policy recommendations include refining the NRPS to improve access to mental health resources for older adults in rural areas.