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Synergistic Effects and Sex Differences in Anthropometric Measures of Obesity and Elevated High-Sensitivity C-Reactive Protein Levels

Authors
 Fatima Nari  ;  Bich Na Jang  ;  Gyu Ri Kim  ;  Eun-Cheol Park  ;  Sung-In Jang 
Citation
 INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH, Vol.17(21) : 8279, 2020-11 
Journal Title
 INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 
ISSN
 1661-7827 
Issue Date
2020-11
Keywords
BMI ; cardiovascular risk ; inflammation ; interaction analysis ; waist circumference
Abstract
Background: It remains unclear which anthropometric measure best predicts elevated high-sensitivity C-reactive protein (hs-CRP) levels. This study investigated the association and synergistic interaction of two obesity indices with elevated hs-CRP levels in a national sample of Korean adults, stratified by sex. Methods: The present cross-sectional study used data from the 2015-2018 Korea National Health and Nutrition Examination Survey of 18,610 subjects aged ≥20 years after excluding those with missing variables. Multiple logistic regression analyses and chi-squared tests were performed to investigate the association between body mass index (BMI) and waist circumference (WC) with elevated hs-CRP levels. Interaction analysis was used to examine the synergistic effect between BMI and WC on the risk of having elevated hs-CRP levels. Results: Elevated hs-CRP levels exceeding 3 mg/L were present in 9.3% and 7.5% of men and women, respectively. The relationship between each obesity index and elevated hs-CRP levels was significant in women (high WC (odds ratio [OR] = 1.77, 95% confidence interval [CI] = 1.24-2.54), high BMI (OR = 2.08, 95% CI = 1.58-2.74)) but not in men (high WC (OR = 1.19, 95% CI = 0.86-1.64), high BMI (OR = 0.99, 95% CI = 0.77-1.29)). Furthermore, combined measures of the two obesity indices and interaction analysis results revealed a synergistic association in men (OR = 1.57, 95% CI = 1.33-1.85; relative excess risk due to interaction (RERI) = 0.39, 95% CI = -0.09-0.86), and women (OR = 3.70, 95% CI = 3.09-4.43; RERI = 0.85, 95% CI = -0.06-1.75). Conclusion: BMI and WC were significantly associated with a risk of elevated hs-CRP levels in women but not in men. Nevertheless, significant synergistic interactions were seen in combined measures of BMI and WC, regardless of sex. These findings emphasize the need to use both measures of adiposity concurrently in the assessment of obesity and when identifying cardiovascular risk.
Files in This Item:
T202005039.pdf Download
DOI
10.3390/ijerph17218279
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine and Public Health (예방의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Gyu Ri(김규리) ORCID logo https://orcid.org/0000-0003-3624-3971
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
Jang, Sung In(장성인) ORCID logo https://orcid.org/0000-0002-0760-2878
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180698
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