Characteristics of the Autistic Population.

aOther in the Ethnicity category includes other, not specified, more than one race, Native American, and Native Hawaiian.bADI-R total score is the sum of the Reciprocal Social Interaction, Nonverbal and Repetitive Behavior/Stereotyped Patterns scores. The Verbal score was omitted in order to include both verbal and nonverbal participants.cADOS total score is the sum of the Communication and Social Interaction, Restricted and Repetitive Behavior, and Social Affect scores.