NOS (all infants) (N=500) NOS (all boys) (N=267)     NOS (all girls) (N=233) Partial Correlation Coefficient P-value   Partial Correlation Coefficient P-value   Partial Correlation Coefficient Pp-value   Log10 MeHg -0.031 0.518 0.056 0.392 -0.130 0.061 Log10 HCB    -0.098 0.037 -0.174 0.007 -0.005 0.940 Log10 b- HCH -0.025 0.591 -0.161 0.013 0.161 0.020 Log10 musk xylene -0.054 0.255 -0.037 0.568 -0.062 0.372 Log10 PCB 118 -0.078 0.097 -0.128 0.049 -0.024 0.725 Log10 PCB 153 -0.078 0.099 -0.119 0.068 -0.030 0.665 Log10 PCB 105 -0.101 0.032 -0.152 0.019 -0.044 0.525 Log10 PCB 138 -0.071 0.132 -0.116 0.075 -0.018 0.791 Log10 PCB 156 -0.042 0.372 -0.081 0.215 -0.001 0.985 Log10 PCB 180 -0.069 0.143 -0.112 0.086 -0.024 0.732 Log10 DDE    -0.084 0.075 -0.129 0.047 -0.032 0.649 Log10 DDT    -0.093 0.049 -0.140 0.031 -0.041 0.554 Log10 trans- nonachlor -0.056 0.239 -0.093 0.155 -0.010 0.891