Table 1.
Variable explanation and data source.
| Attribute | Name | Explanation | Data Sources |
|---|---|---|---|
| Explained variable | Rate | Increased rate of confirmed cases | The official website of the National and local Health Commissions |
| Explanatory variable | RH | Relative humidity | NMIC |
| AT | mean temperature | NMIC | |
| Control variable | Hospital_bed | Number of beds in medical institutions | China City Statistical Yearbook |
| Measure | Total score of public health intervention | Relevant announcements from the prevention and control headquarters of the COVID-19 epidemic in various provinces and cities | |
| pop | registered population | China City Statistical Yearbook | |
| distance | effective distance | Baidu Migration |