Journal Article

Blood Lead Levels and Risk Factors for Lead Toxicity in Children from Schools and an Urban Slum in Delhi

Veena Kalra, K. T. Chitralekha, Tarun Dua, R. M. Pandey and Yogesh Gupta

in Journal of Tropical Pediatrics

Volume 49, issue 2, pages 121-123
Published in print April 2003 | ISSN: 0142-6338
Published online April 2003 | e-ISSN: 1465-3664 | DOI: http://dx.doi.org/10.1093/tropej/49.2.121
Blood Lead Levels and Risk Factors for Lead Toxicity in Children from Schools and an Urban Slum in Delhi

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This cross‐sectional study was conducted to estimate the mean blood lead levels (BLL) and prevalence of lead toxicity in a representative sample of schoolchildren and children residing in an urban slum. In addition, the association of potential environmental risk factors with elevated BLL was studied. Children aged 4–6 years were selected from schools of the South zone of Delhi (n = 125) and from an urban slum (n = 65). Risk factors were recorded using a pre‐tested questionnaire and blood lead and zinc protoporphyrin (ZPP) levels were estimated. The mean BLL was 7.8 µg/dl (SD 3.9) and the proportion of children with blood lead ≥ 10 µg/dl was 18.4 per cent. Distance of the residence or school from a main road appeared to be associated with higher blood lead concentrations, but these differences were not statistically significant. In our setting, vehicular pollution may be a major contributing factor in lead contamination of the environment.

Journal Article.  0 words. 

Subjects: Paediatrics

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