Table 3.

Sample 1 Demographic Information

Diagnosis	ASD (n= 122)	DD (n= 57)	TD (n= 81)
Chronological Age in Months
M(SD)	61.18 (25.58)	55.82 (40.42)	50.90 (29.04)
Range	14–154	20–134	10–122
Gender
% Male	83%	54%	75%
Race
% Caucasian	80%	81%	80%
% African American	9%	7%	7%
% Other/Mixed Race	9%	11%	12%
% Undisclosed	2%	2%	1%
Mother’s Level of Education Completed
% High School or GED	23%	20%	5%
% College or Technical	56%	47%	47%
% Graduate School	21%	33%	48%
Household Income
% <$60,000	43%	36%	39%
% ≥$60,000	56%	63%	61%