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

H. Zailina, R. Junidah, Y. Josephine, H. H. Jamal

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    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 6 1/2 to 8 1/2 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.

    Original languageEnglish
    Pages (from-to)317-326
    Number of pages10
    JournalAsia-Pacific Journal of Public Health
    Volume20
    Issue number4
    DOIs
    Publication statusPublished - Oct 2008

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    Malaysia
    Weights and Measures

    Keywords

    • Anthropometric measurements
    • Cognitive performance
    • Low blood lead
    • Physical development

    ASJC Scopus subject areas

    • Public Health, Environmental and Occupational Health

    Cite this

    The influence of low blood lead concentrations on the cognitive and physical development of primary school children in Malaysia. / Zailina, H.; Junidah, R.; Josephine, Y.; Jamal, H. H.

    In: Asia-Pacific Journal of Public Health, Vol. 20, No. 4, 10.2008, p. 317-326.

    Research output: Contribution to journalArticle

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