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Association of Cardiovascular Burden with Mobility Limitation among Elderly People: A Population-Based Study
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
Stockholm University, Faculty of Social Sciences, Aging Research Center (ARC), (together with KI).
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2013 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 8, no 5, e65815Article in journal (Refereed) Published
Abstract [en]

Background: Cardiovascular risk factors (CRFs) such as smoking and diabetes have been associated with mobility limitations among older adults. We seek to examine to what extent individual and aggregated CRFs and cardiovascular diseases (CVDs) are associated with mobility limitation. Methods: The study sample included 2725 participants (age >= 60 years, mean age 72.7 years, 62% women) in the Swedish National Study on Aging and Care in the Kungsholmen district of central Stockholm, Sweden, who were living either at their own home or in institutions. Data on demographic features, CRFs, and CVDs were collected through interview, clinical examination, self-reported history, laboratory tests, and inpatient register. Mobility limitation was defined as walking speed <0.8 m/s. Data were analyzed using multiple logistic models controlling for potential confounders. Results: Of the 2725 participants, 581 (21.3%) had mobility limitation. The likelihood of mobility limitation increased linearly with the increasing number of CRFs (i.e., hypertension, high C-reactive protein, obesity, diabetes and smoking) (p for linear trend<0.010) and of CVDs (i.e., ischemic heart disease, atrial fibrillation, heart failure and stroke) (p for linear trend<0.001). There were statistical interactions of aggregated CRFs with age and APOE epsilon 4 allele on mobility limitation (p(interaction)<0.05), such that the association of mobility limitation with aggregated CRFs was statistically evident only among people aged <80 years and among carriers of the APOE epsilon 4 allele. Conclusion: Aggregations of multiple CRFs and CVDs are associated with an increased likelihood of mobility limitation among older adults; however the associations of CRFs with mobility limitation vary by age and genetic susceptibility.

Place, publisher, year, edition, pages
2013. Vol. 8, no 5, e65815
National Category
Gerontology, specializing in Medical and Health Sciences
Identifiers
URN: urn:nbn:se:su:diva-92138DOI: 10.1371/journal.pone.0065815ISI: 000319799900226OAI: oai:DiVA.org:su-92138DiVA: diva2:637776
Funder
Swedish Research Council, K2008-69X-20821-01-3, K2009-69X-21166-01-3, K2012-99X-21967-01-3Forte, Swedish Research Council for Health, Working Life and Welfare, 2008-0512
Note

AuthorCount:5;

Available from: 2013-07-22 Created: 2013-07-19 Last updated: 2017-12-06Bibliographically approved

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