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Title: Successful aging, dietary habits and health status of elderly individuals : a k-dimensional approach within the multi-national MEDIS study
Authors: Tyrovolas, Stefanos
Haro, Josep Maria
Mariolis, Anargiros
Piscopo, Suzanne
Valacchi, Giuseppe
Tsakountakis, Nikos
Zeimbekis, Akis
Tyrovola, Dimitra
Bountziouka, Vassiliki
Gotsis, Efthimios
Metallinos, George
Tur, Josep-Antoni
Matalas, Antonia-Leda
Lionis, Christos
Polychronopoulos, Evangelos
Panagiotakos, Demosthenes
Keywords: Older people
Older people -- Nutrition
Aging -- Social aspects
Public health -- Mediterranean region
Issue Date: 2014
Publisher: Elsevier Inc.
Citation: Tyrovolas, S., Haro, J. M., Mariolis, A., Piscopo, S., Valacchi, G., Tsakountakis, N., ... & Panagiotakos, D. (2014). Successful aging, dietary habits and health status of elderly individuals: a k-dimensional approach within the multi-national MEDIS study. Experimental Gerontology, 60, 57-63.
Abstract: The definition and determinants of successful aging is still controversial. Although dietary habits have long been associated with aging, eating habits and behaviors have rarely been included in various proposed indices of successful aging. The aimof thiswork was to evaluate determinants of successful aging together with assessment of dietary habits in relation to healthcare facility use among elders living in the Mediterranean basin. During 2005–2011, 2663 elderly (aged 65–100 years) individuals from 21 Mediterranean islands and ruralMani region (Peloponnesus) were voluntarily enrolled in the study. A successful aging index ranging from a score of 0 to a score of 10 was constructed using 10 attributes, i.e., education, financial status, physical activity, body mass index, depression, participation in social activities with friends and family, number of yearly excursions, number of cardiovascular disease risk factors and adherence to theMediterranean diet. The applied factor analysis on the components of the index extracted three main components for successful aging: psychosocial-economic, bioclinical and lifestyle; confirming the multiple dimensions of aging. After adjusting for confounders, a 1/10-unit increase in the successful aging index was associated with 0.8 less annual visits to healthcare centers (95% CI −1.3 to−0.2). Stratified analysis by gender revealed heterogeneity of factors predicting successful aging. These findings suggest that successful aging is a multidimensional and complex concept that exhibits gender heterogeneity. Annual use of health care services by the elders was found to be related to level of successful aging.
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