American Journal of Epidemiology
Cognitive gaps mostly linked to gender, race/ethnicity and education
Identity-group differences accounted for 6% or less of cognitive variation; separate demographic associations explained 79% to 98% of that between-group variation.Identity-group differences accounted for 6% or less of cognitive variation; separate demographic associations explained 79% to 98% of that between-group variation.
Cross-sectional · 20,814 peoplePopulations
Who was studied20,814 Brain Health Registry participants aged 45+
What changedGender, race/ethnicity, and education associations explained 79-98% of between-group variation in thinking abilities
The catchDementia diagnoses were not measured, only self-reported cognition and test performance