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Economic development, weak ties, and depression: Evidence from China.

Jiangyan Wang1, Jiahao Zhang1, Han Lin2

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Economic development reduces depression, with weak ties acting as a key mediator. Urban living enhances these beneficial weak ties, improving mental health outcomes.

Keywords:
CES-DGDPModerated mediating effectResidence typesWeak ties

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Area of Science:

  • Social Sciences
  • Public Health
  • Economics

Background:

  • Weak ties are increasingly important in social relationships and mental well-being.
  • Despite rising depression rates, the role of weak ties in mitigating it remains under-explored.
  • This study addresses the gap by examining weak ties' impact on depression within economic development contexts.

Purpose of the Study:

  • To empirically investigate the relationship between economic development and individual depression.
  • To assess the mediating role of weak ties in this relationship.
  • To explore the moderating effect of residence type (urban vs. rural) on economic development and weak ties.

Main Methods:

  • Cross-sectional study utilizing data from the 2018 China Health and Retirement Longitudinal Study (CHARLS).
  • Sample size of 16,545 individuals.
  • Employed a moderated mediation model to analyze the influence of economic development (GDP), weak ties, and residence type on depression.

Main Results:

  • Economic development significantly reduces depression (β=-1.027, p<0.001).
  • Weak ties show a significant negative correlation with depression (β=-0.574, p<0.001) and mediate the economic development-depression link.
  • Residence type moderates the relationship between economic development and weak ties (β=0.193, p<0.001), with urban areas showing higher weak tie levels.

Conclusions:

  • Higher economic development is associated with lower depression levels.
  • Weak ties play a crucial mediating role in the positive impact of economic development on mental health.
  • Residence type positively moderates the association between economic development and weak ties, highlighting urban advantages.