Table 1 Estimated global cognitive damage from childhood lead exposure
Baselinea | log-normalb | Lower boundb | Lower CIb | Upper CIb | 5% increaseb | 10% increaseb | |
---|---|---|---|---|---|---|---|
Relative IQ cost (expressed in percentage of earning loss,%) | |||||||
Africa | 12.3 | 11.9 | 5.3 | 6.9 | 17.7 | 12.7 | 13.0 |
Asia | 10.7 | 7.5 | 3.8 | 6.1 | 15.4 | 10.9 | 11.2 |
Europe | 4.2 | 1.2 | 0.4 | 2.4 | 6.1 | 4.5 | 4.6 |
North America | 5.2 | 0.7 | 0.2 | 2.9 | 7.5 | 5.5 | 5.7 |
Oceania | 5.5 | 1.0 | 0.3 | 3.1 | 7.9 | 5.7 | 5.9 |
South/Central America | 10.2 | 6.9 | 2.9 | 5.7 | 14.6 | 10.2 | 10.4 |
Total IQ cost (expressed in 2021 international dollars) | |||||||
Global | $3.4 T | $1.8 T | $780B | $1.9 T | $4.9 T | $3.5 T | $3.6 T |