Psychometric evaluation of the Coronary Revascularisation Outcome Questionnaire (CROQ) in Norwegian patients admitted to elective coronary angiography and possible percutaneous coronary intervention

Table 5 Model fit indices of the CROQ at pre-assessment in the PCI group (n = 121)

	χ²	df	RMSEA	90% CI	CFI	TLI	WRMR
Original structure	764.3***	458	.074	.065–.083	.787	.769	.993
One factor model	1088.0***	464	.105	.097–.114	.566	.536	1.387
Second order	808.5***	460	.079	.070–.088	.758	.739	1.063

χ²: Satorra–Bentler scaled chi-square, df: Degrees of freedom; RMSEA: root-mean-square error of approximation; CI: Confidence Interval; CFI: Comparative Fit Index; TLI: Tucker-Lewis Index; WRMR: Weighted root-mean-square residual

ISSN: 1477-7525