Abstract：
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/m2, 95% CI -1.03, -0.51), and PI (adj β -2.01 kg/m3, 95% CI -2.54, -1.47). Birth weights were lower in Guiyu compared to Haojiang, but the difference was not significant (β -51, 95% CI -132, 29). Cumulative exposure to metals was related to lower head circumference, BMI, and PI, but not related to birth weight. 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.
journal_name
Environ Intjournal_title
Environment internationalauthors
Kim SS,Xu X,Zhang Y,Zheng X,Liu R,Dietrich KN,Reponen T,Xie C,Sucharew H,Huo X,Chen Adoi
10.1016/j.envint.2020.105580subject
Has Abstractpub_date
2020-04-01 00:00:00pages
105580eissn
0160-4120issn
1873-6750pii
S0160-4120(19)33775-4journal_volume
137pub_type
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