Exploring the association between higher education and steeper cognitive decline in a nationally representative longitudinal study in India - Summary - MDSpire

Exploring the association between higher education and steeper cognitive decline in a nationally representative longitudinal study in India

  • By

  • Emma Nichols

  • Richard N Jones

  • Alden L Gross

  • Eleanor Hayes-Larson

  • Erik Meijer

  • Miguel Arce Renteria

  • Lindsay C Kobayashi

  • Jinkook Lee

  • January 15, 2026

  • 0 min

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Objective:

To estimate the association between educational attainment and cognitive decline in older adults in India, highlighting its significance in the context of existing literature.

Key Findings:
  • Higher education levels were associated with lower rates of cognitive decline compared to no education (p < 0.05).
  • Cognitive decline rates were steeper for individuals with less than primary education (−0.03 SD units/year) and higher for primary (−0.04), middle-secondary (−0.06), and higher secondary education (−0.05).
  • Findings were consistent across various models, ruling out practice effects and selective survival as explanations.
Interpretation:

The study suggests that educational attainment plays a significant role in cognitive decline among older adults in India, highlighting the need for educational interventions to mitigate dementia risk and improve public health outcomes.

Limitations:
  • The study's findings may not be generalizable beyond the Indian context.
  • Potential biases due to attrition and missing data in longitudinal studies.
  • Cultural factors influencing educational attainment and cognitive decline were not fully explored.
Conclusion:

Educational attainment is a crucial factor influencing cognitive decline in older adults, emphasizing the importance of addressing educational disparities in low- and middle-income countries and the need for further research in this area.

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