Critical factors influencing physicians’ intention to use computerized clinical practice guidelines: an integrative model of activity theory and the technology acceptance model

Table 4 Results of reliability and validity of the research model

Variable	CMP	PU	COM	PE	PA	TU	SI	OS	ITU	AVE	CR	Cronbach’s α
CMP	0.790									0.621	0.868	0.853
PU	0.577	0.762								0.580	0.805	0.821
COM	0.689	0.614	0.864							0.747	0.923	0.894
PE	0.735	0.576	0.805	0.829						0.687	0.869	0.835
PA	0.208	0.392	0.269	0.342	0.840					0.706	0.878	0.702
TU	0.100	0.096	0.090	0.005	0.261	0.835				0.698	0.820	0.789
SI	0.206	0.450	0.486	0.424	0.115	0.077	0.912			0.832	0.908	0.891
OS	0.353	0.521	0.501	0.482	0.301	0.117	0.602	0.893		0.798	0.922	0.927
ITU	0.359	0.636	0.485	0.489	0.386	0.122	0.548	0.696	0.868	0.753	0.859	0.846

The bold numbers in the diagonal row are square roots of the AVE. Off-diagonal elements are the correlations among constructs
Abbreviations: CMP complexity, PU perceived usefulness, COM compatibility, PE perceived ease of use, PA physicians’ attitude, TU task uncertainty, SI social influence, OS organizational support, ITU intention to use computerized CPGs

ISSN: 1472-6947