Table 4.

Discriminant validity using Fornell-Larcker criterion.

Constructs	Self-isolation intention	Cyberchondria	Information overloading	Perceived severity	Perceived vulnerability	Response cost	Response efficacy	Self-efficacy
Self-isolation intention	0.745	—a	—	—	—	—	—	—
Cyberchondria	0.210	0.785	—	—	—	—	—	—
Information overloading	–0.02	0.591	0.817	—	—	—	—	—
Perceived severity	0.257	0.396	0.073	0.712	—	—	—	—
Perceived vulnerability	0.062	0.180	0.011	0.200	0.776	—	—	—
Response cost	–0.51	–0.08	0.185	–0.12	–0.01	0.738	—	—
Response efficacy	0.349	0.104	–0.04	0.115	–0.02	–0.49	0.899	—
Self-efficacy	0.396	–0.04	–0.03	–0.04	–0.18	–0.52	0.373	0.800

^aNot available.