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

Luz Estela Alva Zentner Patrícia Helen de Carvalho Rondó; Maria C Duran; Julicristie Machado de Oliveira

Clinical Nutrition Edinburgh v. 27, n. 1, p. 100-104, Feb. 2008

Edinburgh 2008

Online access. The library also has physical copies.

  • Title:
    Relationships of blood lead to calcium, iron, and vitamin C intakes in Brazilian pregnant women
  • Author: Luz Estela Alva Zentner
  • Patrícia Helen de Carvalho Rondó; Maria C Duran; Julicristie Machado de Oliveira
  • Subjects: GRAVIDEZ; CHUMBO (SANGUE CONCENTRAÇÃO); FERRO (SANGUE); CÁLCIO (SANGUE); VITAMINA C (SANGUE); INGESTÃO
  • Is Part Of: Clinical Nutrition Edinburgh v. 27, n. 1, p. 100-104, Feb. 2008
  • Description: 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) (R2=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
  • Publisher: Edinburgh
  • Creation Date: 2008
  • Format: p. 100-104.
  • Language: English
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