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Combining Food Frequency and Survey Data to Quantify Long‐Term Dietary Exposure: A Methyl Mercury Case Study

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  • Nga L. Tran
  • Leila Barraj
  • Kim Smith
  • Annabelle Javier
  • Thomas A. Burke

Abstract

Twenty‐four‐hour recall data from the Continuing Survey of Food Intake by Individuals (CSFII) are frequently used to estimate dietary exposure for risk assessment. Food frequency questionnaires are traditional instruments of epidemiological research; however, their application in dietary exposure and risk assessment has been limited. This article presents a probabilistic method of bridging the National Health and Nutrition Examination Survey (NHANES) food frequency and the CSFII data to estimate longitudinal (usual) intake, using a case study of seafood mercury exposures for two population subgroups (females 16 to 49 years and children 1 to 5 years). Two hundred forty‐nine CSFII food codes were mapped into 28 NHANES fish/shellfish categories. FDA and state/local seafood mercury data were used. A uniform distribution with minimum and maximum blood‐diet ratios of 0.66 to 1.07 was assumed. A probabilistic assessment was conducted to estimate distributions of individual 30‐day average daily fish/shellfish intakes, methyl mercury exposure, and blood levels. The upper percentile estimates of fish and shellfish intakes based on the 30‐day daily averages were lower than those based on two‐ and three‐day daily averages. These results support previous findings that distributions of “usual” intakes based on a small number of consumption days provide overestimates in the upper percentiles. About 10% of the females (16 to 49 years) and children (1 to 5 years) may be exposed to mercury levels above the EPA's RfD. The predicted 75th and 90th percentile blood mercury levels for the females in the 16‐to‐49‐year group were similar to those reported by NHANES. The predicted 90th percentile blood mercury levels for children in the 1‐to‐5‐year subgroup was similar to NHANES and the 75th percentile estimates were slightly above the NHANES.

Suggested Citation

  • Nga L. Tran & Leila Barraj & Kim Smith & Annabelle Javier & Thomas A. Burke, 2004. "Combining Food Frequency and Survey Data to Quantify Long‐Term Dietary Exposure: A Methyl Mercury Case Study," Risk Analysis, John Wiley & Sons, vol. 24(1), pages 19-30, February.
    • Handle: RePEc:wly:riskan:v:24:y:2004:i:1:p:19-30
    DOI: 10.1111/j.0272-4332.2004.00408.x
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    References listed on IDEAS

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    1. Clark D. Carrington & Michael P. Bolger, 2002. "An Exposure Assessment for Methylmercury from Seafood for Consumers in the United States," Risk Analysis, John Wiley & Sons, vol. 22(4), pages 689-699, August.
    2. Carriquiry, Alicia L. & Jensen, Helen H. & Guenther, Patricia M. & Fuller, Wayne A., 1992. "Estimating Usual Intake Distributions," Staff General Research Papers Archive 456, Iowa State University, Department of Economics.
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    Cited by:

    1. Carlos Cardoso & Narcisa Bandarra & Helena Lourenço & Cláudia Afonso & Maria Nunes, 2010. "Methylmercury Risks and EPA + DHA Benefits Associated with Seafood Consumption in Europe," Risk Analysis, John Wiley & Sons, vol. 30(5), pages 827-840, May.
    2. Nydia‐Yuriana Zamora‐Arellano & Miguel Betancourt‐Lozano & César Ilizaliturri‐Hernández & Jaqueline García‐Hernández & Matín Jara‐Marini & Cristina Chávez‐Sánchez & Jorge Ricardo Ruelas‐Inzunza, 2018. "Mercury Levels and Risk Implications Through Fish Consumption on the Sinaloa Coasts (Gulf of California, Northwest Mexico)," Risk Analysis, John Wiley & Sons, vol. 38(12), pages 2646-2658, December.
    3. Ying Zhang & Satoshi Nakai & Shigeki Masunaga, 2009. "An Exposure Assessment of Methyl Mercury via Fish Consumption for the Japanese Population," Risk Analysis, John Wiley & Sons, vol. 29(9), pages 1281-1291, September.
    4. Tsz Hin H Ng & Jana M Mossey & Brian K Lee, 2013. "Total Blood Mercury Levels and Depression among Adults in the United States: National Health and Nutrition Examination Survey 2005–2008," PLOS ONE, Public Library of Science, vol. 8(11), pages 1-8, November.
    5. Rheinberger, Christoph M. & Hammitt, James K., 2011. "Risk-Risk Tradeoffs in Fish Consumption: Can You Have the Cake and Eat It Too?," 2011 International Congress, August 30-September 2, 2011, Zurich, Switzerland 114813, European Association of Agricultural Economists.
    6. Carlos Cardoso & Inês Farias & Valentina Costa & Maria Nunes & Leonel Gordo, 2010. "Estimation of Risk Assessment of Some Heavy Metals Intake Through Black Scabbardfish (Aphanopus carbo) Consumption in Portugal," Risk Analysis, John Wiley & Sons, vol. 30(6), pages 952-961, June.

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