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KMID : 0980720210400010032
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Keimyung Medical Journal
2021 Volume.40 No. 1 p.32 ~ p.38
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Waist-to-Height Ratio as an Index for Screening Lifestyle-Related Diseases in Overweight Adults
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Lee Min-Jin
Suh Young-Sung
Hong Seung-Wan
Kim Dae-Hyun
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Abstract
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Central obesity carries more metabolic risks compared with total obesity assessed by Body mass index (BMI). Also, there’s paradoxical relationship between BMI and all-cause mortality in overweight group (23 kg/m2 ≤ BMI < 25 kg/m2). The aim of this study is to assess relationship between waist-to-height ratio (WHtR) and lifestyle-related diseases such as metabolic syndrome, hypertension, and type 2 diabetes in overweight group, and to find the most predictable and useful obesity index for screening lifestyle-related diseases. A total of 3,994 overweight (23 kg/m2 ≤ BMI < 25 kg/m2) adults from the Korea National Health and Nutrition Examination Survey, 2013-2015 (KNHANES VI) were included. We assessed the relationship between WHtR and metabolic syndrome components using multiple regression analysis, and assessed the relationship between abdominal obesity (WHtR ≥ 0.5) and lifestyle-related diseases using complex samples logistic regression analysis. Also, to find the most useful index to predict lifestyle-related diseases, we calculated the areas under the Receiver operating characteristic curves. WHtR was significantly related to metabolic syndrome components. Odds ratios of metabolic syndrome, hypertension and type 2 diabetes were 2.187, 1.445, 2.463 in abdominal obese group (WHtR ≥ 0.5), respectively. Area under the curve of WHtR was the most significantly highest among those of obesity indices. WHtR is a simple and useful obesity index to predict lifestyle-related diseases in overweight Korean adults. Further investigations for other obesity indices are needed to predict lifestyle-related diseases better.
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KEYWORD
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Body mass index, Lifestyle-related diseases, Metabolic syndrome, Waist-height ratio
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