Cognitive Skills of Young Children with and without Autism Spectrum Disorder Using the BSID-III

Table 1

Overall Comparisons.

Variable	Overall	Children with ASD	Children without ASD	𝑃-value*
𝑁	147	54	93
Categorical variables (%)
Male	72.8%	77.8%	69.9%	.3004
Insured by Medicaid	33.6%	26.5%	37.4%	.1995
Continuous variables (Mean ± SD)
Age (months)	26.5 ± 5.4	27.6 ± 5.1	25.9 ± 5.6	.0730
Cognitive composite score	87.5 ± 12.7	82.2 ± 12.4	90.1 ± 12.1	.0006
Language composite score	76.3 ± 13.4	65.4 ± 10.7	81.6 ± 11.2	<.0001
Cognitive-DA	22.1 ± 5.2	20.9 ± 4.3	22.7 ± 5.5	.0579
Receptive-DA	17.5 ± 5.1	14.2 ± 4.6	19.1 ± 4.6	<.0001
Express-DA	17.4 ± 5.2	14.3 ± 5.6	18.8 ± 5.9	<.0001

*Group comparisons were performed via chi-squared tests (categorical variables) and 𝑡-tests (continuous outcomes).
DA: developmental age equivalent.