Table 2.

Average demographic information of the test set calculated by testing the model on 45 videos for both layers.

Demographic	Layer 1 (distinguishing TDa from ASDb/SLCc)	Layer 2 (distinguishing ASD from SLC)
Age (years), average (SD)	2 years 7 months (5 months)	2 years 6 months (3 months)
Proportion of males, mean %	62	70
Proportion of TD children, mean %	33	22
Proportion of children with ASD, mean %	33	44
Proportion of children with SLC, mean %	33	34

^aTD: neurotypical development.

^bASD: autism spectrum disorder.

^cSLC: speech and language condition.