Table 1.
Descriptions of model variables.
| Variables and symbols | Variable types | |
| Control variables |
|
|
|
|
Phy_Style | Counting variable |
|
|
Ques_comp | Counting variable |
|
|
Title | Binary variable (Title is chief physician: 1, otherwise: 0) |
|
|
Hospital_Level | Binary variable (Hospital level is A: 1, otherwise: 0) |
|
|
Recommendation | Counting variable |
|
|
Patient_number | Counting variable |
| Independent variables |
|
|
|
|
Gift_Price | Counting variable |
|
|
Service_Price | Counting variable |
|
|
Gift_Number | Counting variable |
| Dependent variable |
|
|
|
|
Phy_Answer | Counting variable |