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J Am Geriatr Soc. 2005 Apr;53(4):681-6.

Near vision impairment predicts cognitive decline: data from the Hispanic Established Populations for Epidemiologic Studies of the Elderly.

Author information

  • 1Division of Geriatric Medicine, Sealy Center on Aging, University of Texas Medical Branch, Galveston, TX 77555, USA. careyeso@utmb.edu

Abstract

OBJECTIVES:

To estimate the association between sensory impairment and cognitive decline in older Mexican Americans.

DESIGN:

A prospective cohort study.

SETTING:

The Hispanic Established Populations for Epidemiologic Studies of the Elderly from five southwestern states.

PARTICIPANTS:

The sample consisted of 2,140 noninstitutionalized Mexican Americans aged 65 and older followed from 1993/1994 until 2000/2001.

MEASUREMENTS:

The outcome, cognitive function decline, was assessed using the Mini-Mental State Examination blind version (MMSE-blind) at baseline and at 2, 5, and 7 years of follow-up. Other variables were near vision, distance vision, hearing, demographics (age, sex, marital status, living arrangements, and education), depressive symptoms, hypertension, diabetes mellitus, stroke, heart attack, and functional status. A general linear mixed model was used to estimate cognitive decline at follow-up.

RESULTS:

In a fully adjusted model, MMSE-blind scores of subjects with near vision impairment decreased 0.62 points (standard error (SE)=0.29, P=.03) over 2 years and decreased (slope of decline) 0.13 points (SE=0.07, P=.045) more per year than scores of subjects with adequate near vision. Other independent predictors of cognitive decline were baseline MMSE-blind score, age, education, marital status, depressive symptoms, and number of activity of daily living limitations.

CONCLUSION:

Near vision impairment, but not distance vision or hearing impairments, was associated with cognitive decline in older Mexican Americans.

PMID:
15817017
[PubMed - indexed for MEDLINE]
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