A Pilot Study of Blood Lead Levels and Neurobehavioral Function in Children Living in Chennai, India

From: International Journal of Occupational and Environmental Health | Date: April 1, 2005| Author: | Copyright information

The relationship between blood lead level and neurodevelopment was assessed in a pilot cross-sectional study of 74 4-14-year-old children in Chennai, India. Mean blood lead level was 11.1 µg/dL (2.5-38.3). The Binet-Kamath IQ test and the Wide Range Assessment of Visual Motor Activity (WRAVMA) were administered to 58 children. Teachers completed the Connor's Behavioral Rating Scale. Excluding two outliers, IQ and WRAVMA composite scores were inversely related to blood lead level, with an effect size of approximately 6 points decline for a 10-µg/dL increase in blood lead. Children in the ...

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