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The influence of low blood lead concentrations on the cognitive and physical development of primary school children in Malaysia


Citation

Hashim, Zailina and Raib, Junidah and Yaman, Josephine Ahphen and Hashim, Jamal Hisham (2008) The influence of low blood lead concentrations on the cognitive and physical development of primary school children in Malaysia. Asia-Pacific Journal of Public Health, 20 (4). pp. 317-326. ISSN 1941-2479

Abstract

This study aimed to determine the relationship between blood lead (BPb) concentrations and cognitive and physical development in school children. A total of 169 urban children and 100 industrial children of Malay ethnicity, in the age range of 6½ to 8½ years, were selected. BPb was determined using GF atomic absorption spectrophotometer. The mean cognitive score (102.55) of the children from the industrial area was significantly higher than that of the urban children (95.09; P < .001). However, no significant differences were found in the BPb levels between the 2 groups (industrial, 3.75 µg/dL; urban, 3.56 µg/dL). There was significant inverse correlation between BPb and cognitive scores for all children (P < .05). The cognitive scores for all children were influenced by BPb after adjustments (P < .05). The urban children had significantly better Weight for Height and Left Arm Circumference values than those from industrial area. There was no significant correlation between BPb and the anthropometric measurements. In conclusion, low BPb influenced the cognitive development, whereas physical development was not affected.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Human Ecology
Faculty of Medicine and Health Science
DOI Number: https://doi.org/10.1177/1010539508322697
Publisher: SAGE Publications
Keywords: Low blood lead; Cognitive performance; Physical development; Anthropometric measurements
Depositing User: Emelda Mohd Hamid
Date Deposited: 18 Oct 2013 03:49
Last Modified: 14 Jul 2020 07:27
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1177/1010539508322697
URI: http://psasir.upm.edu.my/id/eprint/17216
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