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. Author manuscript; available in PMC: 2023 Apr 5.
Published in final edited form as: J Occup Environ Hyg. 2022 Dec 5;20(1):1–13. doi: 10.1080/15459624.2022.2137298

Table 5.

F-test results of ANOVA for ACH by particle size range under static and dynamic conditions.

Control type Aerosol size rangea
0.3–0.5 μm 0.5–1.0 μm 1.0–3.0 μm 3.0–5.0 μm 5.0–10.0 μm
Static conditions
Recirculation ratio 0.39 0.35 0.84 0.22 0.08*
Filter MERV rating 0.00*** 0.00*** 0.00*** 0.00*** 0.00***
Air purifier presence 0.84 0.51 0.64 0.30 0.54
Dynamic conditions
Air purifier presence 0.02** 0.00*** 0.08 0.83 0.87
 High vs No fan 0.29 0.13 0.85 1.00 0.99
 Low vs No fan 0.02** 0.00*** 0.08 0.87 0.92
 High vs Low fan 0.17 0.06* 0.18 0.84 0.87
***

p < 0.01

**

p < 0.05

*

p < 0.1

a

Each size range had 192 observations under static conditions (n = 192) and 12 observations under dynamic conditions (n = 12).