Adjusteda coefficients (β) and (95% CI) in points on the MDI and PDI of the Bayley Scales of Infant Development at 6-months per two-fold increase in postnatal manganese levels (AUC 55Mn:43Ca) stratified by sex.
a Adjusted for child's age, maternal education, maternal intelligence, psychometrician, location of assessment, household poverty, HOME score at 6-months and prenatal Mn dentin. Excluding outliers with studentized residuals > |3|.