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

Table 4

Reliability and confirmatory factor analysis of the Malay version OAKHQOL.

Construct	Item	Factor loading	Cronbach alpha	CR	AVE
Physical activity	py1	0.774	0.933	0.915	0.743
	py2	0.736
	py4	0.653
	py5	0.646
	py6	0.672
	py7	0.771
	py8	0.716
	py10	0.804
	py11	0.679
	py28	0.742
Mental	m15	0.773	0.919	0.921	0.796
	m17	0.754
	m18	0.726
	m19	0.899
	m20	0.910
	m21	0.798
	m35	0.656
	m41	0.608
Social functioning	sf30	0.756	0.865	0.867	0.867
	sf31	0.851
	sf32	0.871
Social support	sp40	0.786	0.888	0.890	0.686
	sp42	0.871
	sp43	0.901
Pain	pn34	0.538	0.809	0.819	0.540
	pn33	0.657
	pn27	0.834
	pn26	0.847

CR: construct reliability; AVE: average variance extracted.