Health and Quality of Life Outcomes

Table 3 Mean item-total correlation and Cronbach's alpha for domain scores in the NFAS-4 and the NFAS-5 (N = 3325)

From: A randomised comparison of a four- and a five-point scale version of the Norwegian Function Assessment Scale

	Mean item-total correlation		Cronbach's alpha^a
	NFAS-4	NFAS-5	NFAS-4	NFAS-5
Walking/standing	0.74	0.79	0.91	0.93***
Holding/picking	0.55	0.65	0.82	0.88***
Lifting/carrying	0.70	0.77	0.89	0.92***
Sitting	0.53	0.60	0.66	0.74***
Managing	0.66	0.72	0.87	0.91***
Cooperation/communication	0.60	0.66	0.81	0.85***
Senses	0.27	0.53	0.69	0.69
Total scores	0.62	0.70	0.95	0.96**

^a Cronbach's alpha values for NFAS-4 and NFAS-5 are compared, * p < 0.05; ** p < 0.01; *** p < 0.001

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ISSN: 1477-7525

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