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Title: Dietary glycemic index and glycemic load are positively associated with risk of developing metabolic syndrome in middle-aged and elderly adults
Authors: Juanola-Falgarona, Martí
Salas-Salvadõ, Jordi
Buil-Cosiales, Pilar
Corella, Dolores
Estruch, Ramõn
Ros, Emili
Fitõ, Montserrat
Recondo, Javier
Gõmez-Gracia, Enrique
Fiol, Miquel
Lapetra, José
Lamuela-Raventõs, Rosa M.
Serra-Majem, Lluis 
Pintõ, Xavier
Muñoz, Miguel A.
Ruiz-Gutiérrez, Valentina
Alfredo Martínez, José
Castro-Quezada, Itandehui 
Bullõ, Mònica
Keywords: Food-Frequency Questionnaire
Density-Lipoprotein Cholesterol
Framingham Offspring Cohort
Mediterranean Diet, et al
Issue Date: 2015
Publisher: 0002-8614
Journal: Journal of the American Geriatrics Society 
Abstract: ObjectivesTo evaluate how glycemic index (GI) and glycemic load (GL) are associated with the metabolic syndrome (MetS) and its features in middle-aged and elderly adults at high cardiovascular risk.DesignProspective, longitudinal, population-based cohort.SettingPREvencion con DIeta MEDiterranea study.ParticipantsMen and women (N=6,606) divided into three age groups (<65, 65-74, 75).MeasurementsEnergy and nutrient intake was evaluated using a validated 137-item food frequency questionnaire. MetS and its features were defined in accordance with the criteria of the American Heart Association and National Heart, Lung, and Blood Institute.ResultsA positive association was observed between GI and MetS prevalence in the youngest and middle age groups for participants without diabetes mellitus, but no relationship was found for those with diabetes mellitus. During the median follow-up of 4.8years, higher GI and GL were related to greater risk of MetS in the middle age group, independent of the presence of diabetes mellitus. Changes in dietary GI were associated with risk of developing the high fasting glucose component of the MetS in the oldest age category, and changes in dietary GL were associated with risk of developing abdominal obesity, hypertriglyceridemia, low high-density lipoprotein cholesterol, and high blood pressure in the youngest age category.ConclusionDietary GI and GL have a potential role in the development of MetS and associated clinical features, with particular age-dependent considerations.
ISSN: 0002-8614
DOI: 10.1111/jgs.13668
Source: Journal of the American Geriatrics Society[ISSN 0002-8614],v. 63, p. 1991-2000
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