Table 1.

Participant demographics and scores from diagnostic evaluations

	ASD (n = 515)	Non-ASD (n = 222)
Toddlers
Age in years (m [SD])	2.17 [0.29]	2.07 [0.33]
Male	79.0%	73.4%
Female	21.0%	26.6%
ADOS-2 Total Score (m [SD])	21.32[4.62]	6.95[5.05]
MSEL-ELC (m [SD])	56.17 [10.99]	69.94 [14.99]
Visual Reception (T)	27.60 [9.66]	35.77 [10.87]
Fine Motor (T)	27.02 [9.26]	34.19 [11.21]
Receptive Language (T)	22.06 [6.62]	31.64 [11.39]
Expressive Language (T)	22.84 [5.81]	31.78 [9.74]
VABS-2-ABC (m [SD])	71.17 [16.10]	79.99 [9.89]
Communication (SS)	66.71 [9.70]	80.44 [12.19]
Daily Living Skills (SS)	72.61 [10.83]	83.08 [12.99]
Socialization (SS)	71.34 [8.17]	81.83 [10.38]
Motor Skills (SS)	82.80 [9.10]	85.20 [11.05]

ASD autism spectrum disorder, DD developmental delay, TD typically developing, MSEL-ELC mullen scales of early learning, early learning composite standard score, T T-score, VABS-2-ABC vineland adaptive behavior scales-second edition, adaptive behavior composite, SS standard score