Abstract
The aim of this study is to examine the environmental exposure to perchlorate, nitrate, and thiocyanate and their associations with oral health-related productivity loss (PL) in general population. A total of 13,554 participants were enrolled from the National Health and Nutrition Examination Survey. Urinary perchlorate, nitrate, and thiocyanate were measured using ion chromatography coupled with electrospray tandem mass spectrometry. Multivariable linear and logistic regressions were performed to explore the associations between urinary perchlorate, nitrate, and thiocyanate with the prevalence of PL. Restricted cubic splines were used to explore the nonlinearity. There are 636 PL cases. There was higher urinary level of thiocyanate in PL group. We found that compared with the lowest quartile, thiocyanate was associated with PL (odds ratio 0.72, 95% confidence interval [0.53, 0.98]; p = 0.039) in the highest quartile. Restricted cubic spines reveled that urinary thiocyanate was L-shaped associated with PL with the infection point of 1.35. Urinary thiocyanate was L-shaped associated with PL with the infection point of 1.35.
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Data availability
The datasets were available from NHANES 2005–2018 (https://www.cdc.gov/nchs/nhanes/index.htm).
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Y JT designed the study; G JW performed statistical analysis; Z HG and C X wrote the manuscript.
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All participants provided written informed consent, and the protocol was approved by the Research Ethics Review Board of National Center for Health Statistics.
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Yu, J., Guo, J., Zhang, H. et al. Environmental thiocyanate exposure was associated with oral health-related productivity loss among US adults: results from NHANES. Environ Sci Pollut Res 29, 58698–58702 (2022). https://doi.org/10.1007/s11356-022-20017-3
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DOI: https://doi.org/10.1007/s11356-022-20017-3