* = risk is coded as absence of this allele group since it is nominally protective.# = Model has significantly better fit than one with only the two variables by themselves (no interaction term).
AA: Arachidonic acid; EPA: Eicosapentanoic acid; DHA: Docosahexaenoic acid.*Adjusted for sex, age (days), psychologist, quality of neuropsychological test, maternal education, and use of gas stove at