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Exposure to Mercury in Workers and the Population Surrounding Gold Mining Areas in the Mojana Region, Colombia

Author

Listed:
  • Sonia Mireya Díaz

    (Environmental and Labor Health Group, National Institute of Health, Bogotá 111321, Colombia)

  • Maria Nathalia Muñoz-Guerrero

    (Group Environmental Risk Factors, National Institute of Health, Bogotá 111321, Colombia)

  • Marien Palma-Parra

    (Environmental and Labor Health Group, National Institute of Health, Bogotá 111321, Colombia)

  • Carolina Becerra-Arias

    (Research Group on Health, Rehabilitation and Work (SARET), Manuela Beltrán University, Bucaramanga 680002, Colombia)

  • Julián Alfredo Fernández-Niño

    (Department of Public Health, University of the North, Barranquilla 081007, Colombia)

Abstract

In Colombia, the inhabitants of the Mojana region have historically been subjected to high levels of environmental and occupational exposure to mercury; however, there are few robust data on the magnitude of this exposure and associated factors. This study aimed to describe the levels of mercury in the workers and inhabitants in this region, and to identify the main sociodemographic and occupational factors that are associated with this exposure. A cross-sectional study was conducted, in which mercury levels were determined in biological samples (blood, urine, hair) from 1119 people in the Mojana region. A questionnaire was also administered, which was adapted from the Global Mercury Assessment. Linear regression models were adjusted for the natural logarithm of mercury levels in blood, urine, and hair, using the factors that were explored as independent variables. The study reports high mercury levels in 35.0% of blood samples (95% CI 31.9–38.1%), 28.8% (95% CI 24.9–32.8%) of urine samples, and 56.3% (95% CI 53.1–59.5%) of hair samples. The reported source of water for consumption was associated with high levels of mercury ( p -value < 0.05). We provide evidence of high levels of mercury exposure for the population in the Mojana region.

Suggested Citation

  • Sonia Mireya Díaz & Maria Nathalia Muñoz-Guerrero & Marien Palma-Parra & Carolina Becerra-Arias & Julián Alfredo Fernández-Niño, 2018. "Exposure to Mercury in Workers and the Population Surrounding Gold Mining Areas in the Mojana Region, Colombia," IJERPH, MDPI, vol. 15(11), pages 1-15, October.
    • Handle: RePEc:gam:jijerp:v:15:y:2018:i:11:p:2337-:d:177681
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    References listed on IDEAS

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    1. Kyrre Sundseth & Jozef M. Pacyna & Elisabeth G. Pacyna & Nicola Pirrone & Rebecca J. Thorne, 2017. "Global Sources and Pathways of Mercury in the Context of Human Health," IJERPH, MDPI, vol. 14(1), pages 1-14, January.
    2. Guixia Chen & Xiaoxin Chen & Chonghuai Yan & Xingdong Wu & Guozhang Zeng, 2014. "Surveying Mercury Levels in Hair, Blood and Urine of under 7-Year Old Children from a Coastal City in China," IJERPH, MDPI, vol. 11(11), pages 1-13, November.
    3. Virginia Andreoli & Francesca Sprovieri, 2017. "Genetic Aspects of Susceptibility to Mercury Toxicity: An Overview," IJERPH, MDPI, vol. 14(1), pages 1-25, January.
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    Cited by:

    1. Maria Jensen & David Andrés Combariza Bayona & Kam Sripada, 2021. "Mercury Exposure among E-Waste Recycling Workers in Colombia: Perceptions of Safety, Risk, and Access to Health Information," IJERPH, MDPI, vol. 18(17), pages 1-19, September.

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