Mixed model analysis and least square means for the main effect association of COMT genitive variants with executive function outcomes in all participants: (A) GEC, (B) NEPSY VF, and (C) Shape School
The primary independent variable was genetic variant (AA, GA, GG). Covariates included in the models were baseline global executive composite (GEC) score (GEC outcome only), age at injury (Shape School outcome only), race, socioeconomic status, group (TBI versus OI), time since injury. Error bars indicate standard error.