Table 2.
Spearman’s correlations for dichlorodiphenyl dichloroethene (DDE) with anthropometric and pulmonary function measures in years 1995, 1996, and 1997.
| Variables | Age 8 (1995) (n = 328) |
Age 9 (1996) (n = 299) * |
Age 10 (1997) (n = 344) |
|||
|---|---|---|---|---|---|---|
| Spearman’s correlation | p-value | Spearman’s correlation | p-value | Spearman’s correlation | p-value | |
| DDE (μg/L) - Height (cm) | −0.29 | <0.0001 | −0.22 | 0.0001 | −0.21 | <0.0001 |
| DDE (μg/L) - Weight (kg) | −0.28 | <0.0001 | −0.23 | <0.0001 | −0.29 | <0.0001 |
| DDE (μg/L) - FEV1 (L) | −0.15 | 0.0107 | −0.16 | 0.0069 | −0.15 | 0.007 |
| DDE (μg/L) - FVC (L) | −0.20 | 0.001 | −0.15 | 0.0088 | −0.18 | 0.0006 |
| DDE (μg/L) - FEV1/FVC (%) | 0.08 | 0.1572 | 0.01 | 0.9290 | 0.09 | 0.1004 |
* DDE values at 9 years of age were carried forward from 8 years of age.