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. 2015 Sep 23;17(9):e221. doi: 10.2196/jmir.4943

Table 4.

Summary statistics from CCFAs^a across final scales.

Scale	χ² (df)	RMSEA^b value (95% CI)	TLI^c	CFI^d	Standardized loading range	R² value range
Social Media Self-Efficacy	7376.1 (1595)^e	.11 (.11-.11)	.91	.97	.72-.92^e	.52-.85
Social Media Experience	1161.0 (170)^e	.14 (.13-.15)	.96	.97	.80-.92^e	.65-.85
Effort Expectancy	89.9 (1)^e	.55 (.45-.65)	.63	.88	.70-.73^e	.49-.54
Performance Expectancy	32.9 (1)^e	.33 (.24-.43)	.94	.98	.85-.88^e	.72-.77
Facilitating Conditions	7.1 (1)^e	.14 (.06-.25)	.97	.99	.36-.70^e	.13-.50
Social Influence	1.4 (1)	.04 (0-.16)	.99	.99	.52-.57^e	.28-.32

^aCategorical confirmatory factor analysis (CCFA).

^bRoot mean square error of approximation (RMSEA).

^cTucker-Lewis index (TLI).

^dComparative fit index (CFI).

^e P<.001.