Hypothesis

Parameter Estimate

t

p

User review valence → Online healthcare sales

0.123***

6.577

0.000

User review volume → Online healthcare sales

0.507***

17.864

0.000

User review valence * User review volume → Online healthcare sales

0.069*

2.543

0.011

User review valence * Critic rating of doctors → Online healthcare sales

−0.035*

−1.982

0.048

User review volume * Critic rating of doctors → Online healthcare sales

−0.116***

−5.613

0.000

Critic rating of doctors → Online healthcare sales

−0.090***

−6.089

0.000

Activity of doctors → Online healthcare sales

0.044**

3.070

0.002