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

Table 6

Known group validity of the Malay version OAKHQOL.

Variables		Physical			Mental			Pain			Social functioning			Social support
		Mean	SD	value	Mean	SD	value	Mean	SD	value	Mean	SD	value	Mean	SD	value
Gender:				0.208			0.370			0.890			0.761			0.328
Male	63	37.5	17.7		33.8	22.4		37.7	20.9		49.9	29.2		57.4	27.4
Female	128	41.8	21.5		36.7	22.2		38.2	23.5		51.2	27.4		61.5	28.3
Age:				0.321			0.208			0.025			0.767			0.929
≤60 years	161	39.7	19.9		34.8	22.2		36.7	21.9		51.1	28.2		60.3	27.9
>60 years	30	43.6	22.2		40.1	22.5		45.1	25.5		49.2	26.9		59.8	29.2
BMI				0.009			0.040			0.009			0.434			0.940
<25	50	32.5			30.2			30.9	20.2		53.5	29.3		59.9	28.6
≥25	141	42.3			37.7			40.5	22.9		49.9	27.4		60.2	27.9
KL grading				0.002			0.125			0.043			0.527			0.424
0	59	37.8	18.1		33.6	22.4		38.4	22.9		47.6	30.1		58.1	27.9
1	68	36.4	19.2		32.0	20.7		32.6	21.1		51.2	29.3		59.9	29.5
2	33	42.7	21.1		41.2	21.1		39.3	20.8		57.5	21.9		64.9	24.9
3	27	50.0	22.6		41.7	26.0		47.5	24.7		47.7	26.4		56.7	28.9
4	4	69.3	13.5		46.3	13.3		50.0	29.8		56.7	24.6		80.9	13.4

BMI: body mass index (kg/m²), KL: Kellgren–Lawrence grading of knee X-ray.