Binational Arsenic Exposure Survey: Methodology and Estimated Arsenic Intake from Drinking Water and Urinary Arsenic Concentrations

Jason Roberge, Mary Kay O’Rourke, Maria Mercedes Meza-Montenegro, Luis Enrique Gutiérrez-Millán, Jefferey L. Burgess and Robin B. Harris
Additional contact information
Jason Roberge: Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, The University of Arizona, 1515 N. Campbell Ave., Tucson, AZ 85724, USA
Mary Kay O’Rourke: Division of Community, Environment and Policy, Mel and Enid Zuckerman College of Public Health, The University of Arizona, Tucson, AZ 85724, USA
Maria Mercedes Meza-Montenegro: Department of Biotechnology and Food Sciences, Instituto Tecnológico de Sonora, 5 de Febrero 818 Sur, Zona Centro, Cd. Obregon, Sonora 85000, Mexico
Luis Enrique Gutiérrez-Millán: Department of Scientific and Technological Research, University of Sonora, Hermosillo, Sonora 83000, Mexico
Jefferey L. Burgess: Division of Community, Environment and Policy, Mel and Enid Zuckerman College of Public Health, The University of Arizona, Tucson, AZ 85724, USA
Robin B. Harris: Department of Epidemiology and Biostatistics, Mel and Enid Zuckerman College of Public Health, The University of Arizona, 1515 N. Campbell Ave., Tucson, AZ 85724, USA

IJERPH, 2012, vol. 9, issue 4, 1-17

Abstract: The Binational Arsenic Exposure Survey (BAsES) was designed to evaluate probable arsenic exposures in selected areas of southern Arizona and northern Mexico, two regions with known elevated levels of arsenic in groundwater reserves. This paper describes the methodology of BAsES and the relationship between estimated arsenic intake from beverages and arsenic output in urine. Households from eight communities were selected for their varying groundwater arsenic concentrations in Arizona, USA and Sonora, Mexico. Adults responded to questionnaires and provided dietary information. A first morning urine void and water from all household drinking sources were collected. Associations between urinary arsenic concentration (total, organic, inorganic) and estimated level of arsenic consumed from water and other beverages were evaluated through crude associations and by random effects models. Median estimated total arsenic intake from beverages among participants from Arizona communities ranged from 1.7 to 14.1 µg/day compared to 0.6 to 3.4 µg/day among those from Mexico communities. In contrast, median urinary inorganic arsenic concentrations were greatest among participants from Hermosillo, Mexico (6.2 µg/L) whereas a high of 2.0 µg/L was found among participants from Ajo, Arizona. Estimated arsenic intake from drinking water was associated with urinary total arsenic concentration ( p p p

Keywords: arsenic; urine; water; beverages; metabolite; intake; BAsES (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2012
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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