Table 5.

Discriminant analysis via heterotrait-monotrait ratio of correlations.

Constructs	Concerns and uncertainty	Perceived implementation effective	Perceived privacy	Perceived security	Perceived technology infrastructure	Task characteristics	Usability	User characteristics
Perceived implementation effectiveness	0.36	—a	—	—	—	—	—	—
Perceived privacy	0.36	0.16	—	—	—	—	—	—
Perceived security	0.17	0.14	0.79	—	—	—	—	—
Perceived technology infrastructure	0.46	0.54	0.04	0.10	—	—	—	—
Task characteristics	0.33	0.77	0.25	0.23	0.57	—	—	—
Usability	0.19	0.32	0.27	0.24	0.25	0.48	—	—
User characteristics	0.25	0.53	0.14	0.10	0.44	0.48	0.15	—
eHealth utilization	0.35	0.53	0.02	0.18	0.44	0.55	0.33	0.24

^aNot applicable.