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. 2021 Mar 27;18(7):3487. doi: 10.3390/ijerph18073487

Table 2.

Descriptive statistics of variables.

Variables Minimum Maximum Mean Std. Deviation VIF
Asthma 0.00 154.14 52.07 25.36 -
Tree Variables
TreeCov 0.00 0.42 0.11 0.06 4.666
TreeClus 8.00 212.00 76.38 21.33 4.413
TreeAgr 0.20 1.14 0.81 0.15 1.088
Open/Greenspace Variables
PrvtGrn 0.00 0.31 0.09 0.05 1.567
GrnRec 0.00 0.53 0.01 0.02 1.057
SemiGrn 0.00 0.85 0.01 0.04 1.046
Socio-Demographic Variables
PovRt 0.00 100.00 18.82 13.01 1.395
EduAtn 0.00 100.00 1.79 21.90 1.013
EtnGrp 0.00 89.98 8.17 13.08 1.162
ChldPop 0.00 40.60 12.80 4.26 1.626
SnrPop 0.00 100.00 11.02 6.05 1.537
Air Quality Variables
PM2.5 5.34 12.89 11.53 1.28 1.726
Ozone 0.04 0.07 0.05 0.01 1.720

Note: Std. Deviation = standard deviation.