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Table 4 Relationships between newborn length and the PCDD/DF isomers and TEQ levels after adjustment for confounding factors by multiple linear regression analysis

From: Effects of maternal dioxin exposure on newborn size at birth among Japanese mother–infant pairs

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

  1. HpCDF, Heptafuran; HpCDD, heptadioxin
  2. Covariates in the multiple regression analysis included mother’s age and height, newborn gender, and gestational weeks