Adaptation and Validation of the Malay Version of the Osteoarthritis Knee and Hip Quality of Life Questionnaire among Knee Osteoarthritis Patients

Table 3

Fitness level of models.

5-factor model	RMSEA	CFI	IFI	TLI	Chi; Square/df	Actions taken
Original: (40 item)	0.100	0.770	0.772	0.754	2.908
Model A: 35 items	0.094	0.826	0.827	0.811	2.680	Delete
						py25, m36, m37, m38
						m16
Model B: 35 items	0.094	0.843	0.844	0.829	2.680	Correlate between the errors
						py7-py8
						py4-py5
						py1-py2
						pn33-pn34
Model C; 30 items	0.090	0.901	0.902	0.890	2.061	Delete: py3, py9,
						m29, py24, sp 39
Final model: 28 items	0.071	0.915	0.916	0.905	1.953	Delete py14 and py13

CFI: comparative fit index; TLI: Tucker-Lewis index; IFI: incremental fit index; RMSEA: root mean squared error of approximation.