Factors affecting cognitive function according to gender in community-dwelling elderly individuals

Area of Science:

• Gerontology
• Cognitive Neuroscience
• Public Health

Background:

• Cognitive function in older adults is a critical public health concern.
• Understanding gender-specific factors influencing cognitive decline is essential for targeted interventions.
• Previous research indicates potential gender disparities in cognitive aging.

Purpose of the Study:

• To investigate gender-specific factors affecting cognitive function in community-dwelling elderly individuals.
• To determine the role of education in mediating gender differences in cognitive performance.
• To identify key demographic, lifestyle, and health-related variables influencing cognitive function by gender.

Main Methods:

• Secondary data analysis of 4,878 individuals aged 65 years and older from a dementia prevention center.
• Utilized Mini-Mental Status Examination (MMSE) for cognitive screening and a comprehensive questionnaire.
• Employed statistical analyses including ANOVA, ANCOVA, and hierarchical regression.

Main Results:

• Significant gender differences in cognitive function were observed, which diminished after controlling for education.
• Education, age, social activities, comorbidities, and alcohol consumption interacted with gender to affect cognitive function.
• Depression, cohabitation, and social activities significantly impacted cognitive function in both genders when education and age were controlled.
• Social activity had a greater effect in men, while hyperlipidemia was a significant factor only in women.

Conclusions:

• Educational attainment is the primary driver of observed gender differences in cognitive function among the elderly.
• Education's influence on cognitive function is linked to economic status, occupation, and social engagement.
• Interventions promoting education and related socioeconomic factors may mitigate gender disparities in cognitive aging.