Table 6.

Rotated Factor Loadings in Exploratory Factor Analysis of MASC-P in ASD Sample

Item #	Content	Communalities	Factor 1	Factor 2	Factor 3	Factor 4
			R2 = 20.29 E = 7.91	R2 = 9.42 E = 3.67	R2 = 7.81 E = 3.05	R2 = 5.34 E = 2.08
1	Tense	.31	0.17	−0.04	0.42	−0.01
2	Ask permission	.30	−0.03	0.12	−0.09	0.00
3	Worry laughed at	.77	0.07	−0.88	−0.01	0.02
4	Scared parent	.67	0.72	−0.04	0.08	0.17
5	Danger	.14	−0.16	0.04	0.34	0.16
6	Trouble breathing	.31	0.21	−0.05	0.11	0.06
7	Camp scares me	.41	0.56	−0.04	0.04	0.26
8	Shaky, jittery	.61	0.05	0.07	0.74	0.17
9	Near mom, dad	.46	0.56	0.04	−0.05	−0.11
10	Kids make fun	.74	0.07	−0.83	−0.07	0.12
11	Try to obey	.20	0.35	0.01	0.03	0.14
12	Dizzy, faint	.42	−0.13	0.00	0.66	0.06
13	Check things out	.46	0.17	0.01	0.12	0.19
14	Worry called on	.38	−0.07	−0.21	0.12	0.48
15	jumpy	.37	0.17	0.07	0.52	−0.09
16	afraid stupid	.55	−0.09	−0.70	0.08	0.12
17	Keep light on	.26	0.51	−0.06	0.01	−0.07
18	Pains in chest	.44	−0.04	−0.10	0.65	−0.14
19	Avoid w/o family	.58	0.74	−0.14	−0.03	0.08
20	Feel strange	.27	−0.11	−0.22	0.43	−0.04
21	Do things-like	.19	0.12	−0.21	−0.09	−0.15
22	Think of me	.63	0.12	−0.76	−0.02	−0.07
23	Avoid scary TV	.33	0.50	−0.06	0.01	0.04
24	Heart races	.53	0.26	−0.02	0.63	−0.17
25	Avoid upset	.14	0.25	−0.02	0.05	0.05
26	Sleep near	.26	0.37	−0.01	0.20	−0.10
27	On edge	.38	0.24	0.01	0.50	−0.22
28	Do things right	.29	0.21	−0.13	0.09	−0.10
29	Embarrassing	.59	−0.17	−0.57	0.17	0.11
30	Scared in car	.18	0.13	−0.11	0.29	0.11
31	Sick to stomach	.41	0.13	0.00	0.58	−0.15
32	Let others know	.38	0.45	0.20	0.17	−0.12
33	Public perform	.54	0.02	−0.14	−0.01	0.68
34	Weather/dark/bugs	.38	0.50	0.07	0.14	0.07
35	Hands shake	.49	0.06	−0.01	0.66	0.06
36	Safety	.55	0.13	0.00	0.06	0.21
37	Ask others	.29	0.21	0.03	−0.02	0.41
38	Hands sweat	.29	0.02	0.02	0.44	0.26
39	Feel shy	.52	0.14	−0.15	−0.07	0.66

Loadings derived from Maximum Likelihood estimation, with Oblimin rotation. Bold loadings > |.40|. Content = question content summarized (not verbatim). E = Eigenvalue. Communalities reported are post-extraction. Reported R² and eigenvalues derived from unrotated factor solution.