Table 4.

Summary of model fit indices for all tested models of the Athlete Engagement Questionnaire.

Model	χ2 (df)	CFI	TLI	SRMR	RMSEA	CI90% for RMSEA
One-factor	646.14 (104)	0.94	0.93	0.09	0.07	[0.06; 0.07]
Four-factor	161.01 (98)	0.99	0.99	0.05	0.02	[0.01; 0.03]
Second-order (hierarchical)	200.38 (100)	0.98	0.98	0.05	0.03	[0.02; 0.03]

Note: χ² = chi square, df = degrees of freedom, CFI = Comparative Fit Index, TLI = Tucker–Lewis Index, RMSEA = Root Mean Square Error of Approximation, SRMR = Standardized Root Mean Square Residual, CI = confidence interval.