ASD (N=49)	Typically developing (N=41)	Overall (N=90)	P-value
Child Sex
Male	44 (89.8%)	35 (85.4%)	79 (87.8%)	0.815
Female	5 (10.2%)	6 (14.6%)	11 (12.2%)
Child Year of Birth
Mean (SD)	2000 (1.80)	2000 (1.39)	2000 (1.63)	0.701
Median [Min, Max]	2000 [2000, 2010]	2000 [2000, 2010]	2000 [2000, 2010]
Maternal Age
Mean (SD)	31.1 (5.25)	31.8 (5.96)	31.4 (5.56)	0.874
Median [Min, Max]	31.0 [18.0, 41.0]	33.0 [19.0, 43.0]	32.0 [18.0, 43.0]
Paternal Age
Mean (SD)	32.7 (5.79)	33.9 (6.89)	33.3 (6.31)	0.663
Median [Min, Max]	33.0 [20.0, 48.0]	35.0 [22.0, 48.0]	33.0 [20.0, 48.0]
Missing	1 (2.0%)	0 (0%)	1 (1.1%)
Maternal Race/Ethnicity
Non-hispanic white	32 (65.3%)	27 (65.9%)	59 (65.6%)	0.993
Non-hispanic black	3 (6.1%)	1 (2.4%)	4 (4.4%)
Non-hispanic asian	3 (6.1%)	3 (7.3%)	6 (6.7%)
Multi-racial/Other	11 (22.4%)	10 (24.4%)	21 (23.3%)
Paternal Race/Ethnicity
Non-hispanic white	34 (69.4%)	26 (63.4%)	60 (66.7%)	0.982
Non-hispanic black	1 (2.0%)	2 (4.9%)	3 (3.3%)
Non-hispanic asian	2 (4.1%)	3 (7.3%)	5 (5.6%)
Multi-racial/Other	12 (24.5%)	10 (24.4%)	22 (24.4%)
Maternal Education
High school diploma/GED or less	3 (6.1%)	4 (9.8%)	7 (7.8%)	0.325
Some college (incl. vocational, 2-yr degree)	20 (40.8%)	9 (22.0%)	29 (32.2%)
Bachelor degree	20 (40.8%)	15 (36.6%)	35 (38.9%)
Graduate or professional degree	6 (12.2%)	13 (31.7%)	19 (21.1%)
Paternal Education
High School diploma/GED or lesss	11 (22.4%)	7 (17.1%)	18 (20.0%)	0.791
Some college (incl. vocational, 2-yr degree)	14 (28.6%)	11 (26.8%)	25 (27.8%)
Bachelor degree	16 (32.7%)	10 (24.4%)	26 (28.9%)
Graduate or professional degree	8 (16.3%)	13 (31.7%)	21 (23.3%)
Insurance
Government Program/No insurance	6 (12.2%)	1 (2.4%)	7 (7.8%)	0.224
Insurance	43 (87.8%)	40 (97.6%)	83 (92.2%)
Home Ownership
No	10 (20.4%)	5 (12.2%)	15 (16.7%)	0.555
Yes	38 (77.6%)	36 (87.8%)	74 (82.2%)
Missing	1 (2.0%)	0 (0%)	1 (1.1%)