Birth outcomes associated with maternal exposure to metals from informal electronic waste recycling in Guiyu, China.
Birth outcomes
Electronic waste
Metals
Recycling
Journal
Environment international
ISSN: 1873-6750
Titre abrégé: Environ Int
Pays: Netherlands
ID NLM: 7807270
Informations de publication
Date de publication:
04 2020
04 2020
Historique:
received:
10
10
2019
revised:
10
02
2020
accepted:
12
02
2020
pubmed:
23
2
2020
medline:
15
9
2020
entrez:
21
2
2020
Statut:
ppublish
Résumé
Informal electronic waste (e-waste) recycling is a rapidly growing industry. Informal e-waste recycling creates a mixture of chemicals that can be harmful to humans, especially vulnerable populations like pregnant women and young children. We aimed to analyze the associations between birth outcomes and living in a community with a history of informal e-waste recycling. The e-waste Recycling Exposure and Community Health (e-REACH) Study enrolled pregnant women in Guiyu, an informal e-waste recycling site (n = 314), and an unexposed control site (Haojiang) (n = 320) at delivery. We analyzed maternal whole blood samples for lead (Pb), cadmium (Cd), chromium (Cr), and manganese (Mn). We captured data in newborns on birth weight, birth length, head circumference, body mass index (BMI), and Ponderal Index (PI). We compared the birth outcomes between sites after adjustment for covariates, and examined the associations with individual and the mixture of metals. The neonates from Guiyu had smaller head circumference (adj β -1.96 cm, 95% CI -2.39, -1.52), BMI (adj β -0.77 kg/m We observed slight and statistically significant differences in the head size, BMI, and PI of neonates, but not birth weight, from Guiyu when compared to neonates from Haojiang. Cumulative metal exposure may partially account for the findings.
Sections du résumé
BACKGROUND
Informal electronic waste (e-waste) recycling is a rapidly growing industry. Informal e-waste recycling creates a mixture of chemicals that can be harmful to humans, especially vulnerable populations like pregnant women and young children.
OBJECTIVES
We aimed to analyze the associations between birth outcomes and living in a community with a history of informal e-waste recycling.
METHODS
The e-waste Recycling Exposure and Community Health (e-REACH) Study enrolled pregnant women in Guiyu, an informal e-waste recycling site (n = 314), and an unexposed control site (Haojiang) (n = 320) at delivery. We analyzed maternal whole blood samples for lead (Pb), cadmium (Cd), chromium (Cr), and manganese (Mn). We captured data in newborns on birth weight, birth length, head circumference, body mass index (BMI), and Ponderal Index (PI). We compared the birth outcomes between sites after adjustment for covariates, and examined the associations with individual and the mixture of metals.
RESULTS
The neonates from Guiyu had smaller head circumference (adj β -1.96 cm, 95% CI -2.39, -1.52), BMI (adj β -0.77 kg/m
DISCUSSION
We observed slight and statistically significant differences in the head size, BMI, and PI of neonates, but not birth weight, from Guiyu when compared to neonates from Haojiang. Cumulative metal exposure may partially account for the findings.
Identifiants
pubmed: 32078870
pii: S0160-4120(19)33775-4
doi: 10.1016/j.envint.2020.105580
pmc: PMC7257595
mid: NIHMS1563611
pii:
doi:
Substances chimiques
Metals
0
Metals, Heavy
0
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
105580Subventions
Organisme : NIEHS NIH HHS
ID : P30 ES006096
Pays : United States
Organisme : NIEHS NIH HHS
ID : RC4 ES019755
Pays : United States
Organisme : NIEHS NIH HHS
ID : T32 ES010957
Pays : United States
Informations de copyright
Copyright © 2020 The Authors. Published by Elsevier Ltd.. All rights reserved.
Déclaration de conflit d'intérêts
Declaration of Competing Interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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