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KMID : 1039620180080030398
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Korean Journal of Family Practice
2018 Volume.8 No. 3 p.398 ~ p.405
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Association between Body Mass Index and Iron Deficiency Anemia in Korean Adults: Based on the Korean National Health and Nutrition Examination Survey 2010?2012
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Lee Young-Eun
Byun A-Ri
Lee Hong-Soo
Lee Sang-Wha
Shim Kyung-Won
Kwak Ji-Young
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Abstract
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Background: This study aimed to evaluate the association between obesity and anemia in Korean adults using data from the 2010?2012 Korea National Health and Nutrition Examination Survey (KNHANES).
Methods: In this cross-sectional study, a total of 9,582 participants aged ≥19 years, from the 2010?2012 KNHANES participants were included. We compared normal weight participants with overweight and obese participants, with respect to mean differences in the levels of hemoglobin concentration, serum iron, transferrin saturation (TS) and serum ferritin, using multivariate logistic regression analyses as per the survey design. Body mass index (BMI) was used to categorize participants into underweight (BMI <18.5 kg/m2), normal weight (BMI 18.5 to <23 kg/m2), overweight (BMI 23 to <25 kg/m2), grade 1 obese (BMI 25 to <30 kg/m2), and grade 2 obese (BMI ≥30 kg/m2) in accordance with the World Health Organization Asia-Pacific definition.
Results: Serum ferritin, iron, and TS levels progressively increased with increasing BMI for all participants, except for those with grade 2 obesity. However, these differences were statistically insignificant in men, premenopausal women, or postmenopausal women.
Conclusion: In the studied Korean population, overweight and obese individuals were less likely to be anemic as compared to underweight adults.
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KEYWORD
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Body Mass Index, Obesity, Anemia, Anemia, Iron-Deficiency
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