Effects of maternal arsenic exposure on birth outcomes using harmonized data across three birth cohorts

While harmonizing data across multiple cohorts increased the sample size, it did not necessarily enhance statistical power or strengthen observed associations. Differences in data collection, laboratory methods, and available covariates posed significant challenges. These findings underscore the need for caution when interpreting pooled results from heterogeneous sources and highlight the importance of prospective planning for data harmonization in multi-cohort studies.

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Publication Details

Journal
Toxicology and Environmental Health Sciences
Published
2026-01-29
DOI
https://doi.org/10.1007/s13530-025-00292-6
Primary Topic
Arsenic contamination and mitigation
Type
article
Field-Weighted Citation Impact
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article

Effects of maternal arsenic exposure on birth outcomes using harmonized data across three birth cohorts

Daniel Beene, D. N. MacKenzie, Justin Manjourides, Antonio J. Signes‐Pastor et al.
Toxicology and Environmental Health Sciences
Arsenic contamination and mitigation
article

Effects of maternal arsenic exposure on birth outcomes using harmonized data across three birth cohorts

Daniel Beene, D. N. MacKenzie, Justin Manjourides, Antonio J. Signes‐Pastor, Zlatan Feric, K. Karr, David Kaeli, Deborah J. Watkins, Griffith Gao
article en

Abstract

While harmonizing data across multiple cohorts increased the sample size, it did not necessarily enhance statistical power or strengthen observed associations. Differences in data collection, laboratory methods, and available covariates posed significant challenges. These findings underscore the need for caution when interpreting pooled results from heterogeneous sources and highlight the importance of prospective planning for data harmonization in multi-cohort studies.

Toxicology and Environmental Health Sciences
Dartmouth College (US), Universitat de Miguel Hernández d'Elx (ES), New Mexico Department of Health (US), Northeastern University (US), Johns Hopkins University (US), University of New Mexico (US), University of Michigan (US), Instituto de Salud Carlos III (ES), Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (ES), Instituto de Investigación Sanitaria y Biomédica de Alicante (ISABIAL) (ES)
No poverty
Openalex Percentile: Top 76%
Arsenic contamination and mitigation
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