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Dusty weather negatively impacts cognitive function in older Chinese adults, particularly women. This highlights the need for targeted health interventions in regions with frequent dusty conditions.

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Area of Science:

  • Environmental Health
  • Gerontology
  • Cognitive Science

Background:

  • Global aging populations necessitate research into factors affecting elderly health.
  • Dusty weather is an emerging risk factor for cognitive decline in older adults.
  • Limited research exists on the impact of dusty weather on cognitive function in China.

Purpose of the Study:

  • To investigate the association between dusty weather and cognitive function in Chinese older adults.
  • To analyze cognitive function across general cognition, episodic memory, and linguistic competence.
  • To explore potential disparities in effects based on sex.

Main Methods:

  • Utilized data from the China Health and Retirement Longitudinal Survey (CHARLS) 2018.
  • Integrated environmental monitoring data for air pollution and dusty weather.
  • Employed propensity score matching and linear regression for analysis, with sensitivity tests.

Main Results:

  • A cohort of 8,604 participants over 60 years old was analyzed.
  • Dusty weather showed a significant positive association with cognitive decline (IQCODE, MMSE).
  • Findings remained robust after sensitivity analyses.

Conclusions:

  • Older adults in dusty regions experience greater cognitive impairment.
  • Adverse effects of dusty weather on cognition are more pronounced in females.
  • Recommends targeted health interventions for older adults in dusty weather-prone areas.