Table 4.

Correlation coefficient matrix and square roots of the average variance extracted (AVE) (shown as diagonal elements).

.	PUI	PUS	INT	TRU
PUI	0.732
PUS	0.403	0.845
INT	0.610	0.526	0.761
TRU	0.633	0.455	0.662	0.718

Note: the square roots of AVE are in boldface. Abbreviations: PUI = perceived usefulness of information, PUS = perceived usefulness of service, INT = patient–physician interaction, TRU = patient–physician trust.