. Author manuscript; available in PMC: 2022 Jun 20.

Published in final edited form as: J Autism Dev Disord. 2018 Jun;48(6):2187–2202. doi: 10.1007/s10803-018-3491-3

Table 1.

EFA and CFA fit indices

Factors	χ²	df	RMSEA	RMSEA 90% Confidence Intervals		CFI	TLI

Sensory Items EFA
1	1995.52	702	.105	.099	.110	.77	.76
2	1544.06	664	.089	.083	.095	.85	.83
3	1158.88	627	.071	.065	.077	.91	.89
4	967.40	591	.062	.055	.068	.93	.92
5	794.90	556	.051	.042	.058	.96	.94
6	653.38	522	.039	.028	.048	.98	.97
7	572.83	489	.032	.019	.042	.99	.98
Ingestive/Digestive Items EFA
1	318.15	104	.113	.099	.127	.87	.85
2	177.92	89	.079	.062	.096	.95	.93
3	120.97	75	.062	.040	.081	.97	.96
4	74.89	62	.036	.000	.062	.99	.99
CFA (full item set)
8	1544.665	1246	.038	.032	.044	.96	.96

EFA = exploratory factor analysis; CFA = confirmatory factor analysis; RMSEA = root mean square error of approximation; CFI = comparative fit index; TLI = Tucker-Lewis index