Table 1.

Distribution of ASD phenotype scores by sociodemographic characteristics and maternal smoking during pregnancy

		VABS Composite Score	MSEL Composite DQ Score	ADOS CSS
Covariate	n (%)	mean±sd	mean±sd	mean±sd
Overall score	325 (100%)	64.9 ± 11.9	61.5 ± 22.3	7.46 ± 1.50
Sex
Female	44 (13.5%)	62.7 ± 11.8	60.5 ± 20.4	7.42 ± 1.45
Male	281 (86.5%)	65.3 ± 11.9	61.7 ± 22.6	7.47 ± 1.51
p value*		0.18	0.65	0.83
Center
Far North	137 (42.2%)	64.2 ± 10.6	62.1 ± 22.7	7.69 ± 1.50
North Bay	54 (16.5%)	65.7 ± 13.7	62.2 ± 24.4	7.25 ± 1.52
East Bay	67 (20.5%)	64.3 ± 11.2	60.4 ± 21.6	7.58 ± 1.41
Central CA	67 (20.8%)	66.6 ± 13.5	60.7 ± 21.0	7.06 ± 1.49
p value**		0.55	0.95	0.02
Race
White	180 (55.1%)	67.1 ± 12.1	66.1 ± 21.9	7.47 ± 1.48
Hispanic	90 (27.8%)	62.1 ± 9.85	54.7 ± 20.9	7.34 ± 1.63
Other	55 (17.1%)	62.6 ± 12.9	57.3 ± 22.7	7.62 ± 1.37
p value**		<0.01	<0.01	0.56
Education
Less than College	115 (35.5%)	61.8 ± 10.5	55.4 ± 19.0	7.40 ± 1.51
College grad	124 (38.5%)	65.4 ± 12.2	62.2 ± 22.8	7.60 ± 1.39
Grad/Prof degree	86 (26.0%)	68.5 ± 12.2	68.6 ± 23.7	7.35 ± 1.64
p value**		<0.01	<0.01	0.44
Mother’s Age
Under 35	240 (74.3%)	64.0 ± 10.6	61.0 ± 22.5	7.45 ± 1.51
35+	85 (25.7%)	67.9 ± 14.7	62.8 ± 21.9	7.49 ± 1.47
p value*		0.03	0.51	0.82
Smoking while pregnant
No	298 (91.7%)	64.9 ± 12.1	61.2 ± 22.7	7.43 ± 1.51
Yes	27 (8.3%)	65.2 ± 8.7	64.5 ± 17.3	7.81 ± 1.33
p value*		0.91	0.36	0.17
Season of
Conception
Warm	161 (49.5%)	64.6 ± 11.9	61.9 ± 23.3	7.47 ± 1.48
Cool	164 (50.5%)	65.3 ± 11.9	61.1 ± 21.3	7.45 ± 1.52
p value*		0.56	0.76	0.88
Home Owner
No	89 (27.5%)	63.6 ± 11.5	57.8 ± 23.3	7.57 ± 1.61
Yes	233 (71.9%)	65.6 ± 12.0	63.2 ± 21.8	7.44 ± 1.44
Missing	3 (0.60%)	61.0 ± 8.19	38.4 ± 12.0	6.33 ± 2.52
p value*		0.34	0.03	0.33

^*Denotes comparison based on t-test;

^**Denotes comparison based on ANOVA