Korean J Fam Pract. 2018; 8(1): 80-86  https://doi.org/10.21215/kjfp.2018.8.1.80
Relationship between Body Mass Index and Microalbuminuria in Healthy Adults
Min-hee Seo1, Youngmin Jee1, Byung-Wook Yoo1,*, Sung-ho Hong1, Choo-yon Cho1, Yong-jin Cho2, Jung-eun Oh2, Kyung-Suk Shin3, Hyun Joe1, Hwang-sik Shin2, Doo-yong Son3
1Department of Family Medicine, Seoul Hospital, Soonchunhyang University College of Medicine, Seoul; 2Department of Family Medicine, Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan; 3Department of Family Medicine, Gumi Hospital, Soonchunhyang University College of Medicine, Gumi, Korea
Byung-Wook Yoo
Tel: +82-2-709-9458, Fax: +82-2-795-3687
E-mail: dryoo@schmc.ac.kr
ORCID: http://orcid.org/0000-0002-8753-9660
Received: March 13, 2017; Revised: June 20, 2017; Accepted: June 30, 2017; Published online: February 20, 2018.
© The Korean Academy of Family Medicine. All rights reserved.

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Background: The worldwide incidence rates of obesity and overweight has rapidly increased among both men and women over the past few decades. These can be associated with increased risks for many health problems such as heart disease, stroke, high blood pressure, and aggravation of diabetes mellitus. Thus, preliminary identification plays a critical role in preventing and reducing serious illnesses and diseases related to obesity. We aimed to evaluate the prevalence of microalbuminuria according to body mass index and its relationship with obesity and chronic renal disease.
Methods: We analyzed data from the 2011–2013 Korea National Health and Nutrition Examination Survey. Our study included 3,564 men and 3,967 women without hypertension, diabetes mellitus, chronic liver disease, chronic kidney disease, or cancer. Body mass indexes (BMIs) were categorized as follows: ＜23.0 kg/m2, 23.0–24.9 kg/m2, and ≥25.0 kg/m2. Microalbuminuria was defined as a urinary albumin-to-creatinine ratio ＜30 mg/g.
Results: On the basis of the results of binary logistic regression analysis, we found that the odds ratios (ORs) for microalbuminuria in the obesity group were relatively higher: 1.672 for men (95% confidence interval [CI], 1.087–2.570) and 2.057 for women (95% CI, 1.417–2.987), after adjustment for age, alcohol consumption, smoking, and physical activity.
Conclusion: The prevalence of microalbuminuria in the obese population was increased. The ORs clearly imply that the BMI values are strongly associated with the risk for renal function decrement. Therefore, regular screening is recommended for obese individuals.
Keywords: Body Mass Index; Obesity; Microalbuminuria; Renal Function
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