Nutr Res Pract.  2015 Jun;9(3):328-335. 10.4162/nrp.2015.9.3.328.

The cross-sectional relationship between dietary calcium intake and metabolic syndrome among men and women aged 40 or older in rural areas of Korea

Affiliations
  • 1Department of Preventive Medicine, College of Medicine, Hanyang Unviersity, 222 Wangsimni-ro, Seoul 133-791, Korea. kmkkim@hanyang.ac.kr
  • 2Institute for Health and Society, Hanyang University, Seoul 133-791, Korea.
  • 3Department of Preventive Medicine, Institute of Wonkwang Medical Science, Wonkwang University School of Medicine, Iksan, Jeonbuk 570-794, Korea.
  • 4Department of Preventive Medicine, Keimyung University Dongsan Medical Center, Daegu 705-701, Korea.
  • 5Department of Preventive Medicine, Chonnam National University Medical School, Gwangju 501-757, Korea.
  • 6Department of Preventive Medicine, School of Medicine, and Health Promotion Research Center, Kyungpook National University, Daegu 702-701, Korea.

Abstract

BACKGROUND/OBJECTIVES
Studies conducted in Western populations have suggested that dietary calcium may protect against metabolic abnormalities, but there is little evidence of this effect in Asians, who have relatively low calcium intake. We evaluated the cross-sectional relationship between dietary calcium and metabolic syndrome among Korean men and women aged 40 years and over.
SUBJECTS/METHODS
A total of 6,375 subjects aged 40 years and over and were recruited between January 2005 and February 2010 from the baseline study of the Multi-Rural Communities Cohort Study in Rural Communities (MRCohort). A food frequency questionnaire was used to collect dietary information. Metabolic syndrome was defined using the modified criteria published in the Third Report of the National Cholesterol Education Program Adult Treatment Panel.
RESULTS
Calcium intake was related inversely to metabolic syndrome in women (P-value = 0.0091), but not in men (P = 0.1842). Among metabolic components, high waist circumference (WC) (P = 0.0426) and high blood glucose (P = 0.0027) in women and hypertriglyceridemia (P = 0.0017) in men were inversely correlated with calcium intake. Excluding those who used calcium or multinutrient supplements did not attenuate the relationship between dietary calcium and metabolic abnormalities.
CONCLUSION
Dietary calcium intake from foods may be inversely related to metabolic syndrome, WC, and blood glucose among women in rural areas of Korea.

Keyword

Calcium Intake; milk; metabolic syndrome; Koreans

MeSH Terms

Adult
Asian Continental Ancestry Group
Blood Glucose
Calcium
Calcium, Dietary*
Cholesterol
Cohort Studies
Education
Female
Humans
Hypertriglyceridemia
Korea
Male
Milk
Surveys and Questionnaires
Rural Population
Waist Circumference
Blood Glucose
Calcium
Calcium, Dietary
Cholesterol
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