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Circulating levels of perfluoroalkyl substances are associated with dietary patterns: A cross sectional study in elderly Swedish men and women
Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, Uppsala, Sweden.
Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Occupational and Environmental Medicine, Uppsala University, Uppsala, Sweden.
Department of Medical Sciences, Molecular Epidemiology and Science for Life Laboratory, Uppsala University, Uppsala, Sweden.
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2016 (English)In: Environmental Research, ISSN 0013-9351, E-ISSN 1096-0953, Vol. 150, p. 59-65Article in journal (Refereed) Published
Abstract [en]

Background: In our daily life, we are exposed to perfluoroalkyl substances (PFAS) with possible health implications. The main exposure route for these substances is diet but comparative studies on how dietary habits influence exposure are lacking.

Objectives: To examine the relations between blood levels of PFAS and adherence to three predefined dietary patterns (a WHO recommended diet, a Mediterranean-like diet, and a Low-Carbohydrate High-Protein (LCHP) diet) in an elderly Swedish population.

Methods: Dietary data from 7-day food records and serum concentrations of PFAS were obtained from a 70-year-old Swedish population (n=844), the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study. The Healthy Diet Indicator score (based on WHO recommendations), the Mediterranean Diet Score and LCHP score were used to assess adherence. Multivariate linear regression was used to assess the associations between eight major PFAS and adherence to each dietary pattern.

Results: The WHO recommended diet was positively associated with perfluorohexane sulfonic acid (PFHxS). The LCHP diet was positively related to four out of eight PFAS; namely, perfluorooctane sulfonic acid (PFOS), perfluorononanoic acid (PFNA), perfluorodecanoic acid (PFDA) and perfluoroundecanoic acid (PFUnDA). The Mediterranean-like diet was positively associated with most PFAS; namely perfluorooctanoic acid (PFOA), perfluorooctane sulfonamide (PFOSA), PFHxS, PFNA, PFDA, and PFUnDA.

Conclusions: All dietary patterns were positively associated with blood levels of PFAS. The highest body burden of PFAS was found in individuals with high adherence to a Mediterranean-like diet, whilst individuals who more closely followed the officially recommended diet displayed a lower body burden of these compounds.

Place, publisher, year, edition, pages
San Diego, USA: Academic Press, 2016. Vol. 150, p. 59-65
Keywords [en]
Perfluoroalkyl substances, diet, dietary patterns, elderly, epidemiology
National Category
Nutrition and Dietetics Environmental Sciences
Research subject
Enviromental Science
Identifiers
URN: urn:nbn:se:oru:diva-50514DOI: 10.1016/j.envres.2016.05.016ISI: 000382903100009PubMedID: 27239709Scopus ID: 2-s2.0-84969793928OAI: oai:DiVA.org:oru-50514DiVA, id: diva2:931998
Funder
Swedish Research Council, K2009-64X-21031-01-3
Note

Funding Agency:

Swedish Research Council for Environment, Agricultural Sciences, and Spatial Planning 216-2007-2047

Available from: 2016-05-31 Created: 2016-05-31 Last updated: 2017-11-30Bibliographically approved

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van Bavel, Bert

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