Table 2

Distribution of blood lead levels

CountryMax blood lead
<10, µg/dL (%)
Max blood lead
10 to <20, µg/dL (%)
Max blood lead
20 to <30, µg/dL (%)
Max blood lead
30 to <40, µg/dL (%)
Max blood lead
40+, µg/dL (%)
Median max blood lead µg/dL (%)Mean/median blood leads per personSubjects with more than one blood lead (%)Intraclass correlation coefficient
(% total variance due to variance between) for those with more than one blood test
USA2118212020264/2510.77
UK19171658484/2600.94
Finland164122911193/1410.85
Total1723211722264/1500.86