Psychometric properties of the IDS-SR30 for the assessment of depressive symptoms in spanish population

Table 4 CFA of five factor models of the IDS-SR₃₀ in the follow-up dataset (n = 1594)

Model	Source	Df	χ²	TLI	CFI	RMSEA (90% CI)	AIC
1-factor	e.a. Trivedi et al. (2004)	350	3793.5	0.93	0.94	0.079 (0.076-0.081)	70462.8
2-factor	Bernstein et al. (2006)	347	3692.2	0.93	0.94	0.078 (0.076-0.080)	70339.9
3-factor	Rush et al. (1996)	342	3214.3	0.94	0.95	0.073 (0.070-0.075)	70018.2
3-factor	Wardenaar et al. (2010)	344	2774.2	0.95	0.96	0.067 (0.064-0.069)	69926.9
3-factor	PCA, present study	344	3245.4	0.94	0.95	0.073 (0.070-0.075)	69928.3

Note: IDS-SR₃₀ = Inventory of Depressive Symptomatology Self Report; Df = degrees of freedom; CFI = Comparative Fit Index; TLI = Tucker-Lewis Index; RMSEA = Root Mean Square Error of Approximation; 90% CI = 90% confidence interval of the RMSEA. AIC = Akaike Information Criteria.
Indices that indicate the best model fit are printed in bold font.

ISSN: 1471-2288