Table 3 Path analysis between doctor’s care quality, trust in doctors, and patient’s involvement in decision-making

Moderation effect

 Doctor’s care quality * Trust in doctors

0.02

0.26

0.27

< 0.001***

Mediation effect

 Doctor’s care quality Involvement in decision-making (c path)

−0.10

< 0.001***

0.25

< 0.001***

 Doctor’s care quality Trust in doctors (a path)

0.74

< 0.001***

0.71

< 0.001***

 Trust in doctors Involvement in decision-making (b path)

0.15

< 0.001***

0.002

0.97

 Doctor’s care quality + Trust in doctors Involvement in decision-making (c’ path)

−0.21

< 0.001***

0.25

< 0.001***