Quality of life of Chinese urban community residents: a psychometric study of the mainland Chinese version of the WHOQOL-BREF

Table 5 Goodness of fit for confirmatory factor analyses of different samples and multiple-group equivalence conditions

	χ ²	df	RMSEA	NNFI	CFI
I. Global Normative (N = 5133)^a	6830.8	246	0.07	--	0.863
Chronic Illness sample (N = 3313)	3736.9	246	0.07	--	0.876
Nonchronic Illness sample (N = 3862)	4991.3	246	0.07	--	0.868
II. Chinese (N = 1052 without correlated uniqueness)	2401	246	0.101	0.866	0.880
III. Chinese (N = 1052 with correlated uniqueness)	1836	244	0.088	0.898	0.909
Chronic Illness sample (N = 229)	630	244	0.088	0.841	0.860
Nonchronic Illness sample (N = 823)	1471	244	0.089	0.906	0.917
IV. Chinese: Multiple Group analyses (Chronic Illness vs. Nonchronic illness Samples (N = 1052))
No invariant constraints	2101	488	0.089	0.897	0.909
Loading invariant	2162	512	0.087	0.900	0.907
Loading + factor covariance invariant	2166	518	0.087	0.901	0.907
Loading + factor covariance + uniqueness invariant	2215	544	0.086	0.904	0.905
Mean Structure Model with intercept invariance	2327	564	0.086	0.902	0.900

RMSEA--Root mean square error approximation; NNFI--Non-Normed Fit Index; CFI--Comparative Fit Index;
^anormative data [9]

ISSN: 1471-2288