Association between iron deficiency and low-level lead poisoning in an urban primary care clinic

The purpose of this study was to examine the association between iron deficiency and low-level lead poisoning. Data were collected in an urban primary care clinic from 3650 children aged 9 to 48 months. Iron deficiency was defined as a red cell mean corpuscular volume (MCV) of less than 70 fL and a...

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Bibliographic Details
Published in:American journal of public health (1971) 1999-07, Vol.89 (7), p.1049-1053
Main Authors: Wright, R O, Shannon, M W, Wright, R J, Hu, H
Format: Article
Language:English
Subjects:
Age
Analysis of Variance
Anemia
Biological and medical sciences
Blood
Boston - epidemiology
Chemical and industrial products toxicology. Toxic occupational diseases
Chi-Square Distribution
Child, Preschool
Children & youth
Cross-Sectional Studies
Environment. Living conditions
Female
Health risk assessment
Hemoglobin
Housing. Living conditions
Humans
Infant
Iron
Iron - blood
Iron - deficiency
Lead content
Lead poisoning
Lead Poisoning - blood
Lead Poisoning - epidemiology
Logistic Models
Male
Medical laboratories
Medical research
Medical sciences
Metals and various inorganic compounds
Nutrition
Preschool children
Primary care
Primary health care
Public health
Public health. Hygiene
Public health. Hygiene-occupational medicine
Regression analysis
Relationship
Risk Factors
Socioeconomic factors
Toxicology
Urban areas
Urban Population
USA
Variables
Variance analysis
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Summary:The purpose of this study was to examine the association between iron deficiency and low-level lead poisoning. Data were collected in an urban primary care clinic from 3650 children aged 9 to 48 months. Iron deficiency was defined as a red cell mean corpuscular volume (MCV) of less than 70 fL and a red cell distribution width (RDW) of more than 14.5 in children younger than 2 years, and an MCV of less than 73 fL and RDW of more than 14.5 in those 2 years or older. After adjustment for age, hemoglobin concentration, and insurance status, the odds ratios for iron deficiency predicting blood lead levels greater than or equal to 5 micrograms/dL and greater than or equal to 10 micrograms/dL were 1.63 (95% confidence interval [CI] = 1.29, 2.04) and 1.44 (95% CI = 1.004, 2.05). Iron deficiency is significantly associated with low-level lead poisoning in children aged 9 to 48 months.
ISSN:0090-0036
1541-0048
DOI:10.2105/AJPH.89.7.1049