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Asia Pac J Public Health. 2014 May;26(3):310-9. doi: 10.1177/1010539512443698. Epub 2012 Apr 24.

Comorbid visual and cognitive impairment: relationship with disability status and self-rated health among older Singaporeans.

Author information

1
Duke University Medical Center, Durham, NC, USA Durham VA Geriatrics Research Education and Clinical (GRECC), Durham, NC, USA heather.whitson@duke.edu.
2
Duke-National University of Singapore Graduate Medical School, Singapore.
3
Duke-National University of Singapore Graduate Medical School, Singapore National University of Singapore, Singapore.
4
Duke University Medical Center, Durham, NC, USA Duke-National University of Singapore Graduate Medical School, Singapore.

Abstract

The objective of this study was to examine the prevalence and consequences of coexisting vision and cognitive impairments in an Asian population. Data were collected from 4508 community-dwelling Singaporeans aged 60 years and older. Cognition was assessed by the Short Portable Mental Status Questionnaire whereas vision, disability, and self-rated health (SRH) were determined by self-report. Vision impairment was present in 902 (18.5%) participants and cognitive impairment in 835 (13.6%), with 232 (3.5%) participants experiencing both impairments. Persons with the comorbidity experienced higher odds of disability than persons with either single impairment. The association of vision impairment with SRH was stronger among women (odds ratio [OR] = 6.79, 95% confidence interval [CI] = 4.64-9.92) than among men (OR = 1.71, 95% CI = 1.21-2.41). Concurrent cognitive and vision impairment is prevalent in older Singaporeans and is associated with high rates of disability. Gender differences in vision-dependent roles may affect the patient-perceived impact of this comorbidity.

KEYWORDS:

ADL/IADL disability; cognitive impairment; comorbidity; mobility disability; older people; self-rated health; visual impairment

PMID:
22535554
PMCID:
PMC3408775
DOI:
10.1177/1010539512443698
[Indexed for MEDLINE]
Free PMC Article

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