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Table 1 Result of the SAC Model Taking Mortality as the Dependent Variable (Model 1)

From: Natural land cover positively correlates with COVID-19 health outcomes

 

Direct Impacts

Indirect Impacts

Total Impacts

Open Water (%)

-0.005646**

0.001527**

-0.004119**

(0.002608)

(0.000749)

(0.001891)

Developed Open Space (%)

0.027805**

-0.007519**

0.020286**

(0.013005)

(0.003622)

(0.00955)

Low Intensity Developed Area (%)

-0.011578

0.003131

-0.008447

(0.014244)

(0.003925)

(0.010375)

Medium Intensity Developed Area (%)

-0.019557

0.005289

-0.014268

(0.022297)

(0.006103)

(0.016285)

High Intensity Developed Area (%)

0.037524

-0.010147

0.027377

(0.026059)

(0.007163)

(0.019078)

Deciduous Forest (%)

-0.008322***

0.00225***

-0.006071***

(0.002366)

(0.000702)

(0.001731)

Evergreen Forest (%)

-0.005833**

0.001577**

-0.004256**

(0.002968)

(0.000819)

(0.00218)

Mixed Forest (%)

-0.00109

0.000295

-0.000795

(0.004576)

(0.001245)

(0.003342)

Shrub (%)

0.002565

-0.000694

0.001871

(0.002802)

(0.000764)

(0.00205)

Grassland (%)

0.00028

-7.6e-05

0.000205

(0.002454)

(0.000665)

(0.001795)

Woody Wetlands (%)

0.000195

-5.3e-05

0.000142

(0.004057)

(0.001101)

(0.002966)

Emergent Herbaceous Wetlands (%)

-0.012675

0.003428

-0.009247

(0.007617)

(0.002109)

(0.005571)

Prevalence (cap/1000)

0.013011***

-0.003519***

0.009493***

(0.000635)

(0.000428)

(0.000589)

Gathering Restrictions (days)

-0.000167

4.5e-05

-0.000122

(0.000348)

(9.6e-05)

(0.000254)

Transport Closing (days)

-0.000712***

0.000193***

-0.00052***

(0.000193)

(5.8e-05)

(0.000141)

Staying Home (days)

-0.002503***

0.000677***

-0.001826***

(0.000677)

(0.000207)

(0.000491)

Internal MoRe (days)

-0.00295

0.000798

-0.002152

(0.006905)

(0.001871)

(0.005053)

International MoRe (days)

0.008052

-0.002178

0.005875

(0.006843)

(0.001864)

(0.005017)

Population 15–44 (%)

-0.049464***

0.013376***

-0.036088***

(0.010133)

(0.003108)

(0.007561)

Population 45–64 (%)

-0.004694

0.001269

-0.003425

(0.013275)

(0.003608)

(0.009702)

Population >  = 65 (%)

0.005111

-0.001382

0.003729

(0.009735)

(0.002657)

(0.0071)

Black People (%)

-0.004495

0.001216

-0.003279

(0.002839)

(0.000796)

(0.002063)

Hispanic People (%)

-0.016814***

0.004547***

-0.012267***

(0.003767)

(0.001187)

(0.002739)

Male (%)

-0.036678***

0.009919***

-0.02676***

(0.010031)

(0.002966)

(0.007377)

Unemployment Rate

0.04301**

-0.011631**

0.031379**

(0.020824)

(0.005788)

(0.015261)

Median Household Income (logarithm)

-1.401255***

0.378932***

-1.022323***

(0.213768)

(0.073119)

(0.159606)

Poverty Rate (%)

0.012989

-0.003512

0.009476

(0.00787)

(0.002165)

(0.005765)

Adults Without High School Diploma (%)

0.019924***

-0.005388***

0.014536***

(0.005513)

(0.001581)

(0.004098)

Poor Health Rate (%)

0.063922***

-0.017286***

0.046636***

(0.017658)

(0.00532)

(0.012865)

Poor Physical Health (days)

-0.184678

0.049941

-0.134737

(0.13012)

(0.035925)

(0.095069)

Poor Mental Health (days)

-0.230416*

0.06231*

-0.168106*

(0.115121)

(0.032536)

(0.083802)

Adult Smoking Rate (%)

-0.039115***

0.010577***

-0.028537***

(0.014334)

(0.00408)

(0.010518)

Obesity Rate (%)

-0.006043

0.001634

-0.004409

(0.006535)

(0.001789)

(0.004774)

Physical Inactivity Rate (%)

0.008252

-0.002231

0.00602

(0.006747)

(0.001842)

(0.004942)

Having Access To Exercise Opportunities (%)

-0.000961

0.00026

-0.000701

(0.000967)

(0.000265)

(0.000706)

Hospital Beds (bed/1000)

0.004987

-0.001349

0.003638

(0.003772)

(0.001033)

(0.002762)

Average Temperature In Summer

0.090952***

-0.024596***

0.066357***

(0.025327)

(0.007782)

(0.018243)

Average Temperature In Winter

0.029361*

-0.00794*

0.021421**

(0.015092)

(0.004276)

(0.010973)

Average Relative Humidity In Summer

0.019894***

-0.00538**

0.014514***

(0.007288)

(0.002139)

(0.005277)

Average Relative Humidity In Winter

-0.010229

0.002766

-0.007463

(0.009529)

(0.002606)

(0.006965)

PM2.5

-0.056104*

0.015172*

-0.040932*

(0.03291)

(0.009117)

(0.024096)

Spatially lagged dependence coefficient (ρ)

-0.34506***

Log likelihood

-4093.374

Spatially error dependence coefficient (λ)

0.68623***

AIC

8276.7

Number of observations

3103

R2

0.5984

  1. Note: the standard errors of the estimated parameters are list in the parentheses
  2. ***: p < 0.01; **:p < 0.05; *:p < 0.1