Effect of socioeconomic status on exposures to polychlorinated biphenyls (PCBs) and dichlorodiphenyldichloroethylene (DDE) among pregnant African-American women.

Luisa N Borrell, Pam Factor-Litvak, Mary S Wolff, Ezra Susser, Thomas D Matte
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引用次数: 24

Abstract

In this study, the authors investigated the associations between socioeconomic status and exposures to polychlorinated biphenyls (PCBs) and dichlorodiphenyldichloroethylene (DDE) in a cohort of inner-city African-American pregnant women. Data for this study were derived from the Columbia Presbyterian Medical Center subcohort of the National Collaborative Perinatal Project. African-American women from whom venous blood had been collected during their third trimester of pregnancy during the time period between 1960 and 1965 were included in the current study (n = 152). Prenatal samples were assayed for PCB and DDE concentrations. The authors used linear-regression analysis to explore the association between socioeconomic indicators and PCB and DDE concentrations. Mean concentrations of the 4 most abundant congeners (i.e., PCB4) and total DDE were 3.9 microg/l and 37.2 microg/l, respectively. In adjusted analyses, income was associated significantly with an increase in serum concentrations of PCBs, whereas education was not. Neither income nor education was associated with concentrations of DDE. The authors concluded that maternal socioeconomic indicators may influence the effects of exposure to PCBs among African-American pregnant women.

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社会经济地位对非裔美国孕妇多氯联苯(PCBs)和二氯二苯二氯乙烯(DDE)暴露的影响
在这项研究中,作者调查了社会经济地位与多氯联苯(PCBs)和二氯二苯二氯乙烯(DDE)暴露之间的关系。这项研究的数据来自哥伦比亚长老会医疗中心国家围产期合作项目的亚队列。在1960年至1965年期间,在妊娠晚期采集静脉血的非裔美国妇女被纳入本研究(n = 152)。检测产前样本的多氯联苯和二苯醚浓度。作者利用线性回归分析探讨了社会经济指标与多氯联苯和DDE浓度之间的关系。4种最丰富的同系物(即PCB4)和总DDE的平均浓度分别为3.9微克/升和37.2微克/升。在调整分析中,收入与多氯联苯血清浓度的增加显著相关,而教育程度则无关。收入和受教育程度与DDE浓度无关。作者得出结论,母亲的社会经济指标可能会影响非洲裔美国孕妇接触多氯联苯的效果。
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