Associations between Trends in Aging, Physical Activity, Central Obesity and Body Mass Index with Diabetes Prevalence in Korea: A Series of Cross-Sectional Studies from the 1st to 5th Korean National Health and Nutrition Examination Survey (1998-2012)

Seong Min Jeong; Bora Yoo; Yeon Jung Kim; Bitna Oh; Hee Cheol Kang

doi:10.21215/kjfp.2017.7.2.195

Korean J Fam Pract. 2017; 7(2): 195-201 https://doi.org/10.21215/kjfp.2017.7.2.195

Associations between Trends in Aging, Physical Activity, Central Obesity and Body Mass Index with Diabetes Prevalence in Korea: A Series of Cross-Sectional Studies from the 1st to 5th Korean National Health and Nutrition Examination Survey (1998-2012)

Seong Min Jeong, Bora Yoo, Yeon Jung Kim, Bitna Oh, Hee Cheol Kang^*

Department of Family Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea

Hee Cheol Kang
Tel: +82-2-2228-2332, Fax: +82-2-362-2473
E-mail: kanghc@yuhs.ac

Received: February 26, 2016; Revised: July 6, 2016; Accepted: July 7, 2016; Published online: April 20, 2017.

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: Diabetes is a dramatically increasing clinical and public health problem. The prevalence of diabetes coincides with trends in certain risk factors for diabetes, such as aging, decreasing physical activity levels, and increasing obesity or central obesity in the Korean population.
Methods: In total, 46,846 subjects aged 19 years or older from the first to the fifth Korea National Health and Nutrition Examination Surveys (KNHANES) were examined in a cross-sectional study. Multiple logistic regression analysis was used to calculate the prevalence of diabetes with adjustments for age, physical activity, central obesity, and body mass index (BMI).
Results: Between 1998 and 2010 to 2012, the prevalence of diabetes increased from 3.55% to 10.00% in men and from 3.51% to 5.62% in women (P for trend for both groups <0.001). After adjustment for age, physical activity, central obesity, and BMI, the prevalence of diabetes increased in men and women (P for trend <0.001). Age was the greatest contributor among the four variables to the change in prevalence estimates after adjustment.
Conclusion: As the trend of aging is the most powerful contributor to predict the prevalence of diabetes, it is necessary to prepare clinical and public strategies for Korea’s aging society to prevent and manage diabetes.; Keywords: Diabetes Mellitus; Age; Obesity; Korea; Korean National Health and Nutrition Survey

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