Table 1 Description of variable

Dependent Variable

Number of testing institutions

Number of testing institutions in an administrative area

N/A

26.783

27.971

1

270

—

Independent Variables

City level

All cities are divided into two criteria: value = 1: Prefecture-level area

value = 2: City specifically designated in the state plan or municipality directly under the Central Government

N/A

0.082

0.275

0

1

2.423510

GDP per capital

Gross Domestic Product per capital

Yuan per capital

54,115.03

32,642.09

4742

183,127

2.009221

Population density

Population per unit land area

Person per square kilometer

419.236

553.044

1

6111

1.572160

Urbanisation rate

Urban population/ Permanent population

%

54.468

14.931

5

100

2.051932

Altitude

The vertical distance of a point on the ground above sea level

Mile

564.321

825.298

1

4507

1.292968

Number of medical colleges

Number of medical colleges in an administrative area

N/A

0.233

0.750

0

6

4.012514

casecount

Cumulative number of confirmed cases in administrative area

N/A

246.601

2667.228

0

50,380

1.088747

outbreaks

Number of outbreaks in the administrative area

N/A

1.119

0.662

0

5

1.403457

Number of tertiary hospitals

Number of tertiary hospitals in an administrative area

N/A

3.155

4.916

0

42

5.590554