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Table of Contents
Vol. 26, No. 2, 2006
Issue release date: February 2006
Section title: Original Paper
Free Access
Neuroepidemiology 2006;26:93–101

The Relation of Education and Income to Cognitive Function among Professional Women

Lee S.a · Buring J.E.b-d · Cook N.R.b · Grodstein F.c-e
aDepartment of Health and Behavioral Sciences, University of Colorado at Denver and Health Sciences Center, Denver, Colo., bDepartment of Medicine, Division of Preventive Medicine, Brigham and Women’s Hospital, Harvard Medical School, cDepartment of Epidemiology, Harvard School of Public Health, dDivision of Aging and eChanning Laboratory, Department of Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Mass., USA
email Corresponding Author

Sunmin Lee, ScD

Department of Health and Behavioral Sciences, University of Colorado at Denver and Health Sciences Center, Campus Box 188, PO Box 173364

Denver, CO 80217-3364 (USA)

Tel. +1 303 556 6793, Fax +1 303 556 8501, E-Mail sunmin.lee@cudenver.edu

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We investigated the relation of educational attainment and annual household income to cognitive function and cognitive decline in community-dwelling women aged 66 years or older. Subjects were 6,314 health professionals participating in the Women’s Health Study, among whom information on education and income was self-reported. From 1998 to 2000, we administered five cognitive tests, measuring general cognition, episodic memory and verbal fluency, using a validated telephone interview. Second cognitive assessments were conducted approximately 2 years later; information was complete for 5,573 women at the time of analysis, with 94% follow-up. We used linear and logistic regression to calculate multivariate-adjusted mean differences as well as odds of cognitive impairment (defined as worst 10% of test distribution) and of substantial decline in performance (worst 10% of distribution), across various levels of education and income. After adjusting for numerous potential confounding factors, we found strong trends of increasing mean cognitive performance with increasing level of education (p trend < 0.0005 on all cognitive measures). Odds of cognitive impairment also consistently decreased with increasing education. For income, we found significant trends of increasing mean cognitive performance with increasing income on the summary score and on episodic memory (p trends < 0.0001). Results were generally similar for cognitive decline over 2 years, although slightly weaker. Thus, in these well-educated, professional women, educational attainment and income both predicted cognitive function and decline.

© 2006 S. Karger AG, Basel

Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: February 10, 2006
Issue release date: February 2006

Number of Print Pages: 9
Number of Figures: 0
Number of Tables: 5

ISSN: 0251-5350 (Print)
eISSN: 1423-0208 (Online)

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