Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women.

Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women. Research Abstract Details 

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Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women. Abstract Text:

Luz E A Zentner,Patricia H C Rondó,Maria C Duran,Julicristie M Oliveira,

BACKGROUND & AIMS: This study aimed to determine the relationship between blood lead concentrations and calcium, iron and vitamin C dietary intakes of pregnant women. METHODS: Included in the study were 55 women admitted to a hospital, for delivery, from June to August 2002. A food frequency questionnaire was applied to determine calcium, iron and vitamin C intakes, and a general questionnaire to obtain data on demographic-socioeconomic condition, obstetric history, smoking habit, and alcohol intake. Blood lead and haemoglobin were determined, respectively, by atomic absorption spectrometry and by the haemoglobinometer HemoCue. Multiple linear regression models were used to determine the relationship between blood lead and calcium, iron and vitamin C intakes, and haemoglobin levels, controlling for confounders. RESULTS: The final model of the regression analysis detected an inverse relationship between blood lead and age of the women (p=0.011), haemoglobin (p=0.001), vitamin C (p=0.012), and calcium intake (p<0.001) (R(2)=0.952). One hundred percent, 98.2% and 43.6% of the women were below the adequate intake (AI) for calcium, and below the recommended dietary allowances (RDA) for iron, and vitamin C, respectively. CONCLUSION: Despite the small sample size, the results of this study suggest that maternal age, haemoglobin, vitamin C intake, and calcium intake may interfere with blood concentrations of lead.

Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women. Publishing Authors By Initials

LE Zentner,PH Rondó,MC Duran,JM Oliveira,

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Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Clinical nutrition (Edinburgh, Scotland)

VOLUME: 27

Page Numbers: 100-4

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ISSN: 1532-1983

DAY: 26

MONTH: 11

YEAR: 2007

Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women.

AFFILIATION: Department of Nutrition, School of Public Health, University of São Paulo, Avenida Dr Arnaldo 715, São Paulo, SP CEP 01246-904, Brazil.

Country: England

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MEDLINETA: Clin Nutr

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