Country | Max 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 person | Subjects with more than one blood lead (%) | Intraclass correlation coefficient (% total variance due to variance between) for those with more than one blood test |
USA | 21 | 18 | 21 | 20 | 20 | 26 | 4/2 | 51 | 0.77 |
UK | 1 | 9 | 17 | 16 | 58 | 48 | 4/2 | 60 | 0.94 |
Finland | 16 | 41 | 22 | 9 | 11 | 19 | 3/1 | 41 | 0.85 |
Total | 17 | 23 | 21 | 17 | 22 | 26 | 4/1 | 50 | 0.86 |