Table 1.

Two-way ANOVA results for different PM values

	0.3 μm	0.5 μm	1 μm	2 μm	5 μm	10 μm
	P value	P value	P value	P value	P value	P value
Corrected model	0.001	0.001	0.001	0.001	0.001	0.001
Intercept	0.001	0.001	0.001	0.001	0.001	0.001
Location	0.001	0.530	0.074	0.100	0.005	0,024
Group	0.001	0.001	0.001	0.001	0.001	0.001
Location * group	0.001	0.417	0.032	0.078	0.014	0.033