Factor structure of the Hospital Anxiety and Depression Scale (HADS) in German coronary heart disease patients

Table 3 Factor structure of the HADS determined by testing the fit of models derived from factor analysis. All χ² analyses were statistically significant at p < 0.01 (χ² degrees of freedom in parentheses).

Model	χ²	RMSEA	CFI	CAIC	AIC	NFI	GFI
Zigmond and Snaith (1983)	481.47(76)	0.06	0.95	718.84	539.47	0.94	0.95
Moorey et al. (1991)	480.77(76)	0.06	0.95	718.15	538.77	0.94	0.95
Caci et al. (2003) model 1	391.55(74)	0.06	0.96	645.30	453.55	0.95	0.96
Caci et al. (2003) model 2 *	352.02(62)	0.06	0.96	589.40	410.02	0.95	0.96
Dunbar et al. (2000) model 1	396.56(73)	0.06	0.96	658.49	460.56	0.95	0.96
Dunbar et al. (2000) model 2 ^#	399.52(73)	0.06	0.96	661.45	463.52	0.95	0.96
Friedman et al. (2001)	361.41(74)	0.05	0.96	584.16	423.41	0.95	0.96
Razavi et al. (1990)	986.48(77)	0.09	0.88	1215.67	1042.48	0.87	0.88

ISSN: 1477-7525