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Association of urinary arsenic and sleep disorder in the US population: NHANES 2015–2016

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Abstract

Arsenic is a known carcinogen and neurotoxin and is found in the natural earth crust. Arsenic exposure can develop depression, memory dysfunction, and neurodegenerative disorder. The mechanism of arsenic toxicity on the nervous system is not known. There is a lack of research on the association between arsenic exposure and sleep disturbance in humans. This study aims to investigate the relationship between six types of urinary speciated arsenic exposure and sleep disturbance in adults from the general population using the National Health and Nutrition Examination Survey (NHANES) 2015–2016 dataset. Sleep disturbance was measured using self-reported questionnaires, asking participants if they had ever told a doctor they had trouble sleeping. We utilized multivariate logistic regression analysis using complex survey procedures to examine the association between six types of urinary arsenic concentration and trouble sleeping. The total sample included 1,611 adults who were 20 years and older. Of the study participants, 30.0% had trouble sleeping. Compared to individuals with urinary arsenous acid below the lower level of detection (LLOD), those with urinary arsenous acid at or above the detection limit had lower odds of trouble sleeping [odds ratio: 0.72 (95% confidence interval 0.51–1.00, p-value: 0.05)]. The other five types of urinary speciated arsenic studied (arsenic acid, arsenobetaine, arsenocholine, dimethylarsinic acid, monomethylarsonic acid) were not associated with a sleep disorder. More studies are required to confirm or refute these findings.

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Availability of data and material

NHANES data is secondary data provided by the CDC to the public (CDC/National Center for Health Statistics 2020).

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Contributions

Humairat H. Rahman conceptualized the study and contributed to the introduction and discussion. Korede K. Yusuf conducted data analysis and contributed to the drafting of the paper. Danielle Niemann contributed to the methods section and drafting of the paper. All authors read and approved the final manuscript.

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Correspondence to Humairat H Rahman.

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This study uses only secondary data analyses without any personal information identified using statistical data from the NHANES website; no further ethical approval for conducting the present study is required.

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Consent was given by all the authors.

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Consent was given by all authors.

Competing interests

The authors declare no competing interests.

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Responsible Editor: Lotfi Aleya

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Rahman, .H., Niemann, D. & Yusuf, K.K. Association of urinary arsenic and sleep disorder in the US population: NHANES 2015–2016. Environ Sci Pollut Res 29, 5496–5504 (2022). https://doi.org/10.1007/s11356-021-16085-6

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  • DOI: https://doi.org/10.1007/s11356-021-16085-6

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