Results of the regression of bone lead versus cumulative blood lead index for the different groups
| Slope (μg Pb/g bone mineral/μg/dl y) | Intercept (μg Pb/g bone mineral) | r2 | n | p Value | |
| Exposed | 0.039 (0.005) | −2.52 (1.03) | 0.86 | 11 | <0.001 |
| Control | 0.038 (0.016) | −2.39 (1.31) | 0.38 | 11 | <0.05 |
| Combined | 0.039 (0.003) | −2.47 (0.46) | 0.89 | 22 | <0.001 |