In brackets cut-off for normative values; in bold characters pathological values. Abbreviations: Edu: educational level; HET: heterozygous; HOM: homozygous; MOCA: Montreal cognitive assessment; LTM: L
Parameter Estimates (95% CIs) and Coefficient of Determination of Digit Symbol Substitution Test Scores by Final Model Covariates1 for each PAH Metabolite Grouping.