Table 2.

Fit statistics for competing models of the factor structure of prolonged grief, depression, and post-traumatic stress symptoms

Samples and models	χ2	DF	p	χ2/df	TLI	CFI	RMSEA
Children
One-factor model	140.941	90	0.0005	1.57	0.939	0.947	0.054
Three-factor model	75.355	87	0.8090	0.87	1.015	1.000	0.000
Adolescents
One-factor model	132.298	90	0.0025	1.47	0.919	0.934	0.059
Three-factor model	94.412	87	0.2753	1.09	0.962	0.988	0.025

CFI comparative fit index, RMSEA root mean square error of approximation, TLI Tucker–Lewis index