Table 4.
Relationships between newborn length and the PCDD/DF isomers and TEQ levels after adjustment for confounding factors by multiple linear regression analysis
| PCDDs/DFs in milk | Beta coefficient (SE) | Standardized coefficient | P value |
|---|---|---|---|
| 2,3,7,8-TCDD | −0.595 (0.594) | −0.101 | 0.320 |
| 1,2,3,7,8-PeCDD | −1.793 (0.829) | −0.215 | 0.034 |
| 1,2,3,4,7,8-HxCDD | −0.513 (0.714) | −0.074 | 0.475 |
| 1,2,3,6,7,8-HxCDD | −2.086 (0.789) | −0.265 | 0.010 |
| 1,2,3,7,8,9-HxCDD | 0.763 (0.607) | −0.129 | 0.213 |
| 1,2,3,4,6,7,8-HpCDD | −1.157 (0.758) | −0.153 | 0.132 |
| OCDD | 0.779 (0.876) | −0.091 | 0.377 |
| 2,3,7,8-TCDF | 0.910 (0.761) | 0.118 | 0.236 |
| 1,2,3,7,8-PeCDF | −0.376 (0.029) | −0.016 | 0.875 |
| 2,3,4,7,8-PeCDF | −1.744 (0.127) | −0.212 | 0.038 |
| 1,2,3,4,7,8-HxCDF | −1.003 (0.085) | −0.127 | 0.206 |
| 1,2,3,6,7,8-HxCDF | −1.980 (0.792) | −0.245 | 0.015 |
| 2,3,4,6,7,8-HxCDF | −1.493 (0.028) | −0.241 | 0.016 |
| 1,2,3,7,8,9-HxCDF | 7.750 (0.127) | 0.162 | 0.115 |
| 1,2,3,4,6,7,8-HpCDF | 0.229 (0.044) | 0.070 | 0.502 |
| 1,2,3,4,7,8,9-HpCDF | 3.649 (3.451) | 0.111 | 0.294 |
| OCDF | −0.451 (0.384) | −0.113 | 0.244 |
| PCDDs-TEQ | −1.925 (0.829) | −0.230 | 0.023 |
| PCDFs-TEQ | −1.725 (0.849) | −0.202 | 0.046 |
| PCDDs/DFs-TEQ | −1.908 (0.858) | −0.220 | 0.029 |
HpCDF, Heptafuran; HpCDD, heptadioxin
Covariates in the multiple regression analysis included mother’s age and height, newborn gender, and gestational weeks