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 3 Discriminant validity test

Variable	Attitude	Subjective norm	Perceived behavioral control	Relative advantage	Perceived ease of use	Behavioral intention	Utilization behavior
Attitude	0.929
Subjective norm	0.925	0.955
Perceived behavioral control	0.919	0.885	0.950
Relative advantage	0.471	0.510	0.451	0.895
Perceived ease of use	0.000	0.000	0.691	0.691	0.810
Behavioral intention	0.923	0.914	0.942	0.547	0.076	0.946
Utilization behavior	0.268	0.262	0.270	0.268	0.022	0.289	0.847

Bold values in the diagonal indicate the square root of AVE of the corresponding variable

ISSN: 1472-6947