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Nutrients 2018, 10(12), 1901; https://doi.org/10.3390/nu10121901

Ethnic Differences in Magnesium Intake in U.S. Older Adults: Findings from NHANES 2005–2016

1
Department of Behavioural Science and Health, UCL, London WC1E 6BT, UK
2
The Cambridge Centre for Sport and Exercise Sciences, Anglia Ruskin University, Cambridge CB1 1PT, UK
3
Department of Social and Preventive Medicine, Centre for Public Health, Medical University Vienna, 1090 Vienna, Austria
4
Primary Care Department Azienda USL Toscana Sud Est, 58100 Grosseto, Italy
5
Faculty of Sports Sciences, University of Murcia, 30071 Murcia, Spain
6
Department of Geriatric Medicine, Faculty of Medicine, Bezmialem Vakif University, 34093 Istanbul, Turkey
7
Faculty of Health, Education, Medicine and Social Care, Anglia Ruskin University, Cambridge CB1 1PT, UK
8
Unit for Aging Brain and Dementia, Department of Geriatric Medicine, Faculty of Medicine, Dokuz Eylul University, 35220 Izmir, Turkey
9
Department of Epidemiology, Centre for Public Health, Medical University of Vienna, 1090 Vienna, Austria
These authors contributed equally to the manuscript.
*
Author to whom correspondence should be addressed.
Received: 9 November 2018 / Revised: 28 November 2018 / Accepted: 29 November 2018 / Published: 4 December 2018
(This article belongs to the Special Issue Dietary Magnesium for Health and Diseases)
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Abstract

Magnesium plays a crucial role in hundreds of bodily processes relevant to aging, but consumption of dietary magnesium intake has been shown to be inadequate in a large proportion of older adults. Identifying groups at risk of low magnesium intake is important for informing targeted advice. Using data from the National Health and Nutrition Examination Survey (NHANES) 2005–2016, we examined the association between ethnicity (Caucasian/African American/Hispanic/other) and magnesium intake in a large representative sample of U.S. older adults (≥65 y, n = 5682, mean (SD) 72.9 (0.10) y). Analyses adjusted for total energy intake and a range of relevant covariates. Overall, 83.3% of participants were not meeting the recommended level of dietary magnesium intake, ranging from 78.1% of other ethnic groups to 90.6% of African Americans. In the fully adjusted model, magnesium intake was lower among African American older adults (−13.0 mg/d, 95% CI: −18.8 to −7.2), and higher among Hispanics (14.0 mg/d, 95% CI: 7.5 to 20.5) and those from other ethnic groups (17.2, 95% CI: 3.8 to 30.5) compared with Caucasian older adults. These results highlight the need for targeted interventions to increase magnesium intake in U.S. older adults, with a focus on African Americans, in order to reduce the burden of morbidity and ethnic inequalities in health in later life. View Full-Text
Keywords: magnesium; disparities; older adults; ethnicity; NHANES magnesium; disparities; older adults; ethnicity; NHANES
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Jackson, S.E.; Smith, L.; Grabovac, I.; Haider, S.; Demurtas, J.; López-Sánchez, G.F.; Soysal, P.; Redsell, S.; Isik, A.T.; Yang, L. Ethnic Differences in Magnesium Intake in U.S. Older Adults: Findings from NHANES 2005–2016. Nutrients 2018, 10, 1901.

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