Associations between prenatal exposure to a mixture of lead, mercury and polychlorinated biphenyls and executive function in Inuit adolescents.

The strength of the association between cord Pb and cognitive planning remained similar when controlling for these additional covariates, although the p-value slightly increased and the association was now only marginally significant (from β = −0.146, 95 % CI = [−0.285, −0.001], p = 0.043, to β = −0.151, 95 % CI = [−0.305, −0.001], p = 0.052).

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