. Author manuscript; available in PMC: 2020 Dec 8.

Published in final edited form as: Autism Res. 2020 Oct 1;13(11):1867–1879. doi: 10.1002/aur.2397

Table 2.

Type III Fixed Effects for AIM Domains Over Time

AIM Domain	Variables	Num DF	Den DF	F Value	Pr > F
Repetitive Behavior	Time	1	418	36.08	<.0001
	Time*Time	1	781	10.84	0.0010
	Treatment Group	5	781	4.81	0.0002
	Time*Treatment Group	5	781	1.97	0.0810
	TimeTimeTreatment Group	5	781	1.27	0.2735

Atypical Behavior	Time	1	420	47.19	<.0001
	Time*Time	1	792	17.35	<.0001
	Treatment Group	5	792	6.71	<.0001
	Time*Treatment Group	5	792	4.12	0.0011
	TimeTimeTreatment Group	5	792	3.29	0.0060
	Follow-Up: TimeTimeTreatment Group		Group	t Value	Pr > ∣t∣
			EIBI	18.4	<.0001
			ImPACT	54.13	<.0001
			Medical	11.11	0.0010
			PBS-PRT	0.75	0.3901
			PLAYC	0.26	0.6145
			SCI	21.86	<.0001
Communication	Time	1	420	31.42	<.0001
	Time*Time	1	780	11.1	0.0009
	Treatment Group	5	780	23.97	<.0001
	Time*Treatment Group	5	780	3.87	0.0018
	TimeTimeTreatment Group	5	780	3.08	0.0092
	Follow-Up: TimeTimeTreatment Group		Group	t Value	Pr > ∣t∣
			EIBI	14.15	0.0002
			ImPACT	33.89	<.0001
			Medical	4.25	0.0405
			PBS-PRT	0.03	0.8677
			PLAYC	0.01	0.9406
			SCI	15.48	0.0001
Peer Interaction	Time	1	419	15.68	<.0001
	Time*Time	1	787	0.82	0.3645
	Treatment Group	5	787	6.88	<.0001
	Time*Treatment Group	5	787	2.62	0.0233
	TimeTimeTreatment Group	5	787	2.22	0.0504
	Follow-Up: TimeTimeTreatment Group		Group	t Value	Pr > ∣t∣
			EIBI	8.99	0.0030
			ImPACT	16.36	<.0001
			Medical	0.11	0.7455
			PBS-PRT	0.70	0.4079
			PLAYC	0.01	0.9049
			SCI	7.66	0.0066
Social Reciprocity	Time	1	421	11.66	0.0007
	Time*Time	1	779	4.28	0.0389
	Treatment Group	5	779	5.04	0.0001
	Time*Treatment Group	5	779	2.52	0.0284
	TimeTimeTreatment Group	5	779	2.32	0.0421
	Follow-Up: TimeTimeTreatment Group		Group	t Value	Pr > ∣t∣
			EIBI	4.75	0.0301
			ImPACT	13.45	0.0003
			Medical	0.45	0.5036
			PBS-PRT	1.61	0.2107
			PLAYC	2.05	0.1566
			SCI	8.22	0.0050