Determinants of cognitive health in the elderly: a comprehensive analysis of demographics, health status, and lifestyle factors from NHANES.

This study analyzes data from the National Health and Nutrition Examination Survey (NHANES) to identify factors influencing cognitive performance among the elderly, as measured by the Digit Symbol Substitution Test (DSST). Employing multivariable linear regression, we evaluated the impact of demographic, lifestyle, and health-related factors on cognitive function in U.S.