1 Factors affecting blood lead concentrations in three groups of children of different ethnic origin have been investigated.
2 Dietary lead intakes were similar for the three groups, the average lead intakes lay in the range 110-150 μg/week.
3 Blood lead concentrations were not related to ethnic origin when the effect of other factors was allowed for.
4 Children who washed their hands before eating had significantly lower blood lead concentrations than those who did not.
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