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. 2021 Dec 17;18(24):13307. doi: 10.3390/ijerph182413307

Table 1.

Statistical description.

Variables Observations Mean S.D. Min Max
CO2 3135 27.606 30.193 1.875 405.582
Post 3135 0.545 0.498 0.000 1.000
Treat 3135 0.165 0.371 0.000 1.000
FD 3135 2.353 2.063 0.000 43.844
IU 3135 0.869 0.481 0.094 5.340
UR 3135 0.597 0.255 0.046 1.000
FDI 3135 0.021 0.030 0.000 0.775