TABLE 4.

Partial correlation between gestures and ABAS-II.

			Social skills score in ABAS-II				Total score of ABAS-II
			ASD (n = 33)		TD (n = 24)		ASD (n = 33)		TD (n = 24)
			r	p	r	P	r	p	r	p
Quantity	Relative frequency	Total gestures	0.283	0.117	0.096	0.662	0.334	0.062	0.013	0.954
Communicative function	Relative frequency	BR gestures	0.253	0.162	–0.058	0.794	0.342	0.055	–0.116	0.597
		SI gestures	0.324	0.071	0.145	0.510	0.228	0.210	0.156	0.477
		JA gestures	0.145	0.427	0.439	0.036*	0.164	0.369	0.291	0.177
	Proportion (%)	JA gestures	0.095	0.605	0.389	0.066	0.098	0.594	0.289	0.181
Integration ability	Relative frequency	Gestures without vocalization/verbalization integration	0.113	0.536	–0.114	0.604	0.253	0.163	–0.026	0.906
		Eye-gaze-integrated gestures	0.321	0.073	0.171	0.436	0.317	0.078	–0.013	0.954
	Proportion (%)	Eye-gaze-integrated gestures	0.029	0.876	–0.120	0.587	0.034	0.855	–0.194	0.376

BR, behavior regulation; SI, social interaction; JA, joint attention; ABAS-II, Adaptive Behavior Assessment System version II. r, related coefficient. *0.01 < p < 0.05.