Affiliation:
1. Sun Yat-Sen University School of Public Health
2. Sun Yat-Sen University Department of Occupational and Environmental Health
Abstract
Abstract
With little knowledge on the joint effects of metal exposure on dyslipidemia, we aimed to investigate the relationship between exposure to metal and dyslipidemia among U.S adults based on the National Health and Nutrition Examination Survey(NHANES). Based on the five NHANES waves(2011-2020), we selected five metals in blood as exposure, namely, Cadmium(Cd), Lead(Pb), Total Mercury(Hg), Manganese(Mn) and Selenium(Se), which were detected by inductively coupled plasma mass spectrometry. Survey-multivariable logistic regression, Generalized Weighted Quantile Sum(WQS) and Bayesian kernel machine regression(BKMR) were performed to determine whether dyslipidemia was associated with single metals or mixed metals. Our study included 12,526 participants aged from 20 to 80, representing 577.1 million non-institutionalized U.S. adults. We found a positive association between several metals including Pb [Adjusted odds ratio(AOR)=1.332, 95%CI:1.165, 1.522], Total Hg(AOR=1.264, 95%CI:1.120, 1.427), Mn(AOR=1.181, 95%CI:1.046, 1.334) and Se(AOR=1.771, 95%CI:1.576, 1.992) and dyslipidemia. According to the WQS approach, metal mixtures were positively associated with dyslipidemia(AOR:1.310, 95%CI: 1.216, 1.411) after a full-model adjustment. As is shown in the BKMR model, mixed metals tended to be positively associated with dyslipidemia ratios in a significant manner. Females, non-Hispanic white populations, people aged over 60 and those who did a little physical activity had a greater risk for dyslipidemia. Our findings suggest metals including Cd, Pb, Hg, Mn and Se and their combinations may adversely affect dyslipidemia among U.S adults. Due to the cross-sectional nature of the study, it is possible that reverse causation may exist.
Publisher
Research Square Platform LLC
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