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. 2021 May 11;18(10):5084. doi: 10.3390/ijerph18105084

Table 2.

Descriptive summary of the study variables (n = 228).

Variables Description Mean Std. Dev. Min Max VIF
Dependent variables
Total cases Accrued confirmed cases per city, county, district 91.171 196.051 0 1671
Case rates Accrued confirmed cases per 10,000 3.557 8.155 0 92.897
Connectivity
Degree centrality Degree of centrality found using SNA 2.13 × 10−9 1 −1.101 4.599 4.59
Closeness centrality Closeness Centrality found using SNA −3.45 × 10−9 1 −5.77 1.361 1.85
Betweenness centrality Betweenness Centrality found using SNA −1.04 × 10−9 1 −0.514 10.257 1.39
Eigenvector Eigenvector found using SNA 1.23 × 10−9 1 −0.182 10.356 1.46
Density
Net population density Population/Land Area −1.33 × 10−9 1 −0.961 2.716 3.89
Net employment density Total # Employed/Land Area −1.58 × 10−9 1 −0.449 12.230 1.65
Population characteristics
% Female Total female population/total population 0.499 0.013 0.433 0.523 1.81
% 20 s years old Total number of people between the ages of 20–29/total population 11.633 5.235 2.508 66.198 1.70
% 65+ years old Total population of 65+/total population 21.556 8.277 8.7 40.7 4.78
Neighborhood resources
No. of doctors/1000 people (Total number of doctors/total population) × 1000 2.778 2.286 1 19.6 1.69
Availability of nursing home Availability of nursing home (0/1) 0.552 0.498 0 1 1.18
Park area/1000 people (Total park area/total population) × 1000 19,200.83 18,499.82 0 132,334.9 1.60
Economic factor
Per capita GRDP Growth regional domestic product (GRDP)/total population 33.677 30.935 8.072 385.763 1.57
Other Control factors
Land area Area of city, county, district (km2) 77.762 95.87 3.71 595.33 1.78
Dummy for Daegu Whether or not include Daegu (0/1) 0.035 0.18 0 1 1.11