Table 5.

Linear mixed-effects models for each RBS-R subscale with main and interaction effects.

	Rituals/Sameness			Self-injurious			Stereotypic			Compulsive			Restricted
	χ2	df	p	χ2	df	p	χ2	df	p	χ2	df	p	χ2	df	p
Time	3.83	1	0.05	0.93	1	0.34	4.40	1	0.03	3.33	1	0.07	5.14	1	0.02
Co-occurring condition	0.09	1	0.76	10.27	1	0.00	10.85	1	0.00	4.63	1	0.03	2.55	1	0.11
Type Residence	0.35	2	0.84	0.93	2	0.63	1.87	2	0.39	2.84	2	0.24	0.22	2	0.90
Private Room	2.27	1	0.13	0.09	1	0.76	0.73	1	0.39	0.40	1	0.53	0.00	1	0.97
Emotional	0.69	2	0.71	7.43	2	0.02	7.50	2	0.02	0.10	2	0.95	0.85	2	0.65
Inattention	2.92	2	0.23	0.78	2	0.68	3.32	2	0.19	7.57	2	0.02	4.28	2	0.12
Hyperactivity	0.42	2	0.81	0.47	2	0.79	1.18	2	0.55	4.56	2	0.10	3.46	2	0.18
Aggressive	0.11	2	0.94	0.02	2	0.99	1.92	2	0.38	0.32	2	0.85	0.35	2	0.84
Oppositional	0.45	2	0.80	0.64	2	0.72	6.24	2	0.04	2.34	2	0.31	0.85	2	0.65
Sleep	2.54	2	0.28	0.35	2	0.84	0.97	2	0.61	0.43	2	0.81	3.66	2	0.16
Time x co-occurring cond.	0.00	1	0.94	7.97	1	0.00	4.53	1	0.03	3.99	1	0.05	0.15	1	0.70
Time x type residence	3.30	2	0.19	0.96	2	0.62	0.35	2	0.84	1.08	2	0.58	1.38	2	0.50
Time x private room	0.70	1	0.40	0.16	1	0.69	1.16	1	0.20	0.04	1	0.84	0.15	1	0.70
Time x emotional	2.75	2	0.25	2.18	2	0.34	2.40	2	0.30	2.46	2	0.29	0.41	2	0.82
Time x inattention	7.96	2	0.02	3.60	2	0.17	5.99	2	0.05	4.66	2	0.10	6.10	2	0.05
Time x hyperactivity	8.86	2	0.05	0.10	2	0.95	2.06	2	0.36	2.00	2	0.37	6.74	2	0.03
Time x aggressive	2.07	2	0.36	4.95	2	0.84	2.08	2	0.35	2.90	2	0.23	1.43	2	0.49
Time x oppositional	1.17	2	0.56	0.91	2	0.63	1.73	2	0.42	1.86	2	0.39	0.74	2	0.69
Time x sleep	1.62	2	0.44	0.55	2	0.76	1.30	2	0.52	0.05	2	0.97	3.83	2	0.15

Note. χ² = value of the type III Wald chi square; df = degree of freedom; p = p-value of the type III Wald chi square; Interpreted exploratory interaction effects are depicted in bold.