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Magnesium intake from food and supplements is associated with bone mineral density in healthy older white subjects.
J Am Geriatr Soc 2005; 53(11):1875-80JA

Abstract

OBJECTIVES

To determine whether magnesium intake from supplemental and dietary sources is associated with bone mineral density (BMD) in older men and women.

DESIGN

Cross-sectional.

SETTING

Memphis, Tennessee, and Pittsburgh, Pennsylvania.

PARTICIPANTS

Two thousand thirty-eight older black and white men and women aged 70 to 79 at baseline enrolled in the Health, Aging and Body Composition Study.

MEASUREMENTS

Dietary intake of magnesium was assessed using a semiquantitative food frequency questionnaire, and supplement data were collected based on a medication inventory. BMD of the whole body was obtained using a fan-beam densitometer. Additional covariates included age, body mass index (BMI), smoking status, alcohol use, physical activity, estrogen use, and supplemental calcium (Ca) and vitamin D use.

RESULTS

In white, but not black, men and women, magnesium intake was positively associated with BMD of the whole body after adjustment for age, self-report of osteoporosis or fracture in adulthood, caloric intake, Ca and vitamin D intake, BMI, smoking status, alcohol intake, physical activity, thiazide diuretic use, and estrogen use in women (P=.05 for men and P=.005 for women). BMD was 0.04 g/cm2 higher in white women and 0.02 g/cm2 higher in white men in the highest than in the lowest quintile of magnesium intake.

CONCLUSION

Greater magnesium intake was significantly related to higher BMD in white women and men. The lack of association observed in black women and men may be related to differences in Ca regulation or in nutrient reporting.

Authors+Show Affiliations

Department of Medicine, Health Science Center, University of Tennessee, Memphis, Tennessee 38105, USA. kryder@utmem.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, N.I.H., Extramural

Language

eng

PubMed ID

16274367

Citation

Ryder, Kathryn M., et al. "Magnesium Intake From Food and Supplements Is Associated With Bone Mineral Density in Healthy Older White Subjects." Journal of the American Geriatrics Society, vol. 53, no. 11, 2005, pp. 1875-80.
Ryder KM, Shorr RI, Bush AJ, et al. Magnesium intake from food and supplements is associated with bone mineral density in healthy older white subjects. J Am Geriatr Soc. 2005;53(11):1875-80.
Ryder, K. M., Shorr, R. I., Bush, A. J., Kritchevsky, S. B., Harris, T., Stone, K., ... Tylavsky, F. A. (2005). Magnesium intake from food and supplements is associated with bone mineral density in healthy older white subjects. Journal of the American Geriatrics Society, 53(11), pp. 1875-80.
Ryder KM, et al. Magnesium Intake From Food and Supplements Is Associated With Bone Mineral Density in Healthy Older White Subjects. J Am Geriatr Soc. 2005;53(11):1875-80. PubMed PMID: 16274367.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Magnesium intake from food and supplements is associated with bone mineral density in healthy older white subjects. AU - Ryder,Kathryn M, AU - Shorr,Ronald I, AU - Bush,Andrew J, AU - Kritchevsky,Stephen B, AU - Harris,Tamara, AU - Stone,Katie, AU - Cauley,Jane, AU - Tylavsky,Frances A, PY - 2005/11/9/pubmed PY - 2006/1/26/medline PY - 2005/11/9/entrez SP - 1875 EP - 80 JF - Journal of the American Geriatrics Society JO - J Am Geriatr Soc VL - 53 IS - 11 N2 - OBJECTIVES: To determine whether magnesium intake from supplemental and dietary sources is associated with bone mineral density (BMD) in older men and women. DESIGN: Cross-sectional. SETTING: Memphis, Tennessee, and Pittsburgh, Pennsylvania. PARTICIPANTS: Two thousand thirty-eight older black and white men and women aged 70 to 79 at baseline enrolled in the Health, Aging and Body Composition Study. MEASUREMENTS: Dietary intake of magnesium was assessed using a semiquantitative food frequency questionnaire, and supplement data were collected based on a medication inventory. BMD of the whole body was obtained using a fan-beam densitometer. Additional covariates included age, body mass index (BMI), smoking status, alcohol use, physical activity, estrogen use, and supplemental calcium (Ca) and vitamin D use. RESULTS: In white, but not black, men and women, magnesium intake was positively associated with BMD of the whole body after adjustment for age, self-report of osteoporosis or fracture in adulthood, caloric intake, Ca and vitamin D intake, BMI, smoking status, alcohol intake, physical activity, thiazide diuretic use, and estrogen use in women (P=.05 for men and P=.005 for women). BMD was 0.04 g/cm2 higher in white women and 0.02 g/cm2 higher in white men in the highest than in the lowest quintile of magnesium intake. CONCLUSION: Greater magnesium intake was significantly related to higher BMD in white women and men. The lack of association observed in black women and men may be related to differences in Ca regulation or in nutrient reporting. SN - 0002-8614 UR - https://www.unboundmedicine.com/medline/citation/16274367/Magnesium_intake_from_food_and_supplements_is_associated_with_bone_mineral_density_in_healthy_older_white_subjects_ L2 - https://doi.org/10.1111/j.1532-5415.2005.53561.x DB - PRIME DP - Unbound Medicine ER -