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Exposure to carbamate and neurodevelopment in children: Evidence from the SMBCS cohort in China

Author:
Zhang, Jiming, Guo, Jianqiu, Wu, Chunhua, Qi, Xiaojuan, Jiang, Shuai, Lu, Dasheng, Feng, Chao, Liang, Weijiu, Chang, Xiuli, Zhang, Yubin, Cao, Yang, Wang, Guoquan, Zhou, Zhijun
Source:
Environmental research 2019 v.177 pp. 108590
ISSN:
0013-9351
Subject:
adverse effects, carbamate pesticides, children, cohort studies, confidence interval, gas chromatography, linear models, neurodevelopment, neurotoxicity, standard deviation, tandem mass spectrometry, China
Abstract:
Carbamate pesticides exposure have been linked with adverse health effects during developmental period. Based on 377 mother-child pairs from Sheyang Mini Birth Cohort Study, the present study aimed to assess carbofuranphenol exposure of three-year-old children and explore the associations between prenatal or postnatal carbofuranphenol exposures and neurodevelopmental indicators.Urinary carbofuranphenol concentrations were measured by gas chromatography-tandem mass spectrometry. Neural developmental quotient (DQ) of children was evaluated using Gesell Developmental Schedules. Generalized linear models were used to examine the associations between carbofuranphenol concentrations and neurodevelopment.Geometric mean, geometric standard deviation, median, inter quartile range of postnatal urinary carbofuranphenol concentrations were 0.653 μg/L, 9.345 μg/L, 0.413 μg/L, 0.150–1.675 μg/L, respectively. Postnatal carbofuranphenol level showed negatively significant trend in language DQ [beta (β) = -0.121; 95% confidence interval (95% CI): 0.212, −0.031; p value (p) = 0.008] and total average DQ (β = −0.059, 95% CI: 0.115, −0.003; p = 0.035). Prenatal carbofuranphenol level showed negative correlations with children's adaptive DQ (β = −0.755; 95% CI: 1.257, −0.254; p = 0.003), social DQ (β = −0.341; 95% CI: 0.656, −0.027; p = 0.032) and total average DQ (β = −0.349; 95% CI: 0.693, −0.005; p = 0.047).The results of the present study supposed children in agricultural region of China are widely exposed to carbamate pesticides, and both prenatal and postnatal exposure to carbamate pesticides may lead to neurodevelopmental effect.
Agid:
6536389