Association between 24-h urinary sodium excretion and obesity in Korean adults: A multicenter study
- Authors
- Nam, Ga Eun; Kim, Seon Mee; Choi, Mi-Kyeong; Heo, Young-Ran; Hyun, Tai-Sun; Lyu, Eun-Soon; Oh, Se-Young; Park, Hae-Ryun; Ro, Hee-Kyong; Han, Kyungdo; Lee, Yeon Kyung
- Issue Date
- 9월-2017
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- 24-hour urinary sodium excretion; Obesity; Sodium intake; Public health
- Citation
- NUTRITION, v.41, pp.113 - 119
- Indexed
- SCIE
SCOPUS
- Journal Title
- NUTRITION
- Volume
- 41
- Start Page
- 113
- End Page
- 119
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/82398
- DOI
- 10.1016/j.nut.2017.04.006
- ISSN
- 0899-9007
- Abstract
- Objective: The aim of this study was to explore the association between sodium intake, as assessed by 24-h urinary sodium excretion, and various obesity parameters among South Korean adults. The associations of 24-h urinary sodium excretion and sodium intake calculated from the dietary questionnaire with obesity parameters also were compared. Methods: This multicenter, cross-sectional study analyzed data of 640 healthy adults from eight provinces in South Korea. Obesity was assessed by body mass index (BMI), waist circumference (WC), waist-to-hip ratio (WHR), and waist-to-height ratio (WHtR). Mean 24-h urinary sodium excretion was calculated from repeatedly collected 24-h urine samples. Participants' dietary intake was assessed by 24-h dietary recall interview on the days before 24-h urine collection. Results: In both sexes, the means of all anthropometric measurements tended to increase proportionally with 24-h urinary sodium excretion quartiles, regardless of adjustment. Men in the highest quartile (Q4) of 24-h urinary sodium excretion had increased odds of obesity (as assessed by BMI, WC, WHR, and WHtR) compared with men in the three lower quartiles (Q1-Q3) of 24-h urinary sodium excretion. Women in Q4 of 24-h urinary sodium excretion exhibited a higher chance of general obesity and abdominal obesity. Sodium intake calculated from the dietary questionnaire was not significantly associated with obesity in either sex. Conclusions: In Korean adults, there was a positive association between higher sodium intake as assessed by 24-h urinary sodium excretion and obesity independent of energy intake. (C) 2017 Elsevier Inc. All rights reserved.
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