What factors predict physicians' utilization behavior of contrast-enhanced ultrasound? Evidence from the integration of the Theory of Planned Behavior and Technology Acceptance Model using a structural equation modeling approach

Table 2 Convergent validity test

Variable	Item	Factor loading	AVE	CR
Attitude	ATT1	0.905	0.863	0.950
	ATT2	0.944
	ATT3	0.938
Subjective norm	SN1	0.943	0.912	0.969
	SN2	0.968
	SN3	0.954
Perceived behavioral control	PBC1	0.934	0.902	0.965
	PBC2	0.963
	PBC3	0.952
Relative advantage	RA1	0.880	0.801	0.924
	RA2	0.903
	RA3	0.902
Perceived ease of use	PEU1	0.848	0.657	0.851
	PEU2	0.764
	PEU3	0.817
Behavioral intention	BI1	0.965	0.894	0.962
	BI2	0.930
	BI3	0.942
Utilization behavior	UB1	0.650	0.718	0.933
	UB2	0.829
	UB3	0.849
	UB4	0.939
	UB5	0.936

ISSN: 1472-6947