Table 2.

I-CVI, S-CVI, CVR, Cronbach’s Alpha, and ICC of the LCQ

Domain	Item	Question	I-CVI	CVR	Cronbach’s Alpha if item deleted
Physical	1		0.85	0.71	0.983
	2		1	1	0.984
	3		0.71	0.72	0.983
	9		0.85	0.71	0.983
	10		0.85	0.71	0.985
	11		1	1	0.983
	14		0.72	0.74	0.983
	15		0.72	0.74	0.984
	S-CVI=0.855 Cronbach’s Alpha =0.955 ICC= 0.959, 95% CI:(0.947,0.97) F=12.575, P<0.001
Psychological	4		0.82	0.73	0.985
	5		0.74	0.86	0.983
	6		0.85	0.71	0.983
	12		0.74	0.62	0.983
	13		0.85	0.62	0.982
	16		0.85	0.62	0.983
	17		0.75	0.62	0.983
	S-CVI=0.800 Cronbach’s Alpha =0.965 ICC= 0.945, 95% CI:(0.927,0.96) F=21.790, P<0.001
Social	7		0.85	0.71	0.983
	8		0.85	0.72	0.983
	18		0.85	0.71	0.983
	19		0.85	0.71	0.983
	S-CVI=0.850 Cronbach’s Alpha =0.974 ICC= 0.96, 95% CI:( 0.955,0.967) F=2.303, P<0.001
LCQ	S-CVI/Ave=0.835 Cronbach’s Alpha =0.984 ICC= 0.984, 95% CI:( 0.98, 0.987) F=62.76, P<0.001

Abbreviations:CVR: content validity ratio, I-CVI: item content validity index, S-CVI: scaled CVI, S-CVI/Ave: S-CVI Average, ICC: Intra-class correlation coefficient, F: F-value for probable bias, P: P value for F test.