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Indoor particulate matter and blood heavy metals in housewives: A repeated measured study

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Abstract
Background: Particulate matter (PM) less than 2.5 pm in diameter and 10 pm (PM10) contains heavy metals, but whether exposure to PM is significantly associated with the burden of heavy metal exposure in the population is unknown. We investigated the association between exposure to PM and blood concentrations of lead (Pb), cadmium (Cd), and mercury (Hg) in Korean housewives.

Materials Methods: From July 2017 to January 2020, we recruited 115 housewives in Ulsan, Republic of Korea. After excluding participants with missing information, we finally included 88 Korean housewives in our study. We measured the concentrations of indoor PM using a gravimetric method 24 h before blood sampling and the concentrations of Cd, Pb, and Hg in blood, twice at a 1-year interval. We used a linear mixed effect model to estimate the associations between indoor PM and blood heavy metals.

Results: Exposure to PM10 was significantly associated with blood concentrations of Cd among Korean housewives. A 10 pg/m3 increase of PM10 the previous day was associated with a 2.8% (95% confidence interval (CI) = 1.1%, 4.6%) and a 1.5% (95% CI = -0.1%, 3.1%) increase in blood concentrations of Cd and Pb in the linear mixed effect model, respectively.

Conclusion: There was a significant association between indoor PM exposure and blood Cd concentrations among Korean housewives. This result suggests that the body burden of heavy metals is significantly associated with air pollution.
Author(s)
이동욱오종민예신희곽영린양원호김양호하은희
Issued Date
2021
Type
Article
Keyword
Air pollutionAnalysisBloodCadmiumEnvironmental exposureEnvironmental healthHeavy metalHeavy metalsHousewivesMedical examinationParticulate matter
DOI
10.1016/j.envres.2021.111013
URI
https://oak.ulsan.ac.kr/handle/2021.oak/7705
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_gale_infotracacademiconefile_A663821374&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Indoor%20particulate%20matter%20and%20blood%20heavy%20metals%20in%20housewives:%20A%20repeated%20measured%20study&offset=0&pcAvailability=true
Publisher
ENVIRONMENTAL RESEARCH
Location
네덜란드
Language
영어
ISSN
0013-9351
Citation Volume
197
Citation Number
1
Citation Start Page
0
Citation End Page
0
Appears in Collections:
Medicine > Medicine
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