ArticleInternational archives of occupational and environmental health2026
Assessment of blood lead reference values for the Southern Ghanaian population against the background of international recommendations.
Article in International archives of occupational and environmental health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundSo far there is no reference value for lead (Pb) established for the not occupationally exposed Ghanaian population. This is of special interest and will enable interpretation of data from high-risk areas like the Agbogbloshie e-waste dumpsite. The study suggests preliminary reference values for populations in Southern and Western Ghana. MATERIAL AND
methodsBlood specimens from non-exposed population were obtained in three key regions (Ashanti-Offinso, Western-Eikwe and Greater Accra-Accra). Three age groups were evaluated (15–24, 25–34, > 34 years). Individual habits (nutrition, occupation etc.) were documented using a standardized questionnaire. Graphite furnace atomic absorption spectrometry was used for Pb analysis.
resultsThere was a total of 292 participants (Offinso = 124, Eikwe = 130, Accra = 38). The total mean Pb blood concentration of the Southern Ghanaian population was 43.3 µg/l ± 17.7, with a mean of 48.3 µg/l ± 17.2 for men and a mean of 38.1 µg/l ± 16.8 for women (P = .2.93–10). This value is twice as high as the mean Pb level among Germans, and higher than in most European countries. The 95th percentile for the total collective in Ghana was 81 µg/l and 76 µg/l for men and women, respectively.
conclusionBased on the 95th percentile of the non-exposed population > 25 years data suggest a preliminary reference value for Pb in Ghana of 81 µg/l for men and of 76 µg/l for women. Since environmental load decreases with increasing distance when unleaded fuel became standard this should be re-evaluated in about 10 years. Future studies should include the eastern and northern regions of Ghana and the analysis of soil for its Pb content as environmental factor.
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