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. 2021 Jun 17;21(12):4146. doi: 10.3390/s21124146

Table 4.

Results of the t-test to compare slopes for environmental and occupational settings.

	Salt			ARD			PAO-4 Oil
	PM₁	PM_2.5	PM₁₀	PM₁	PM_2.5	PM₁₀	PM₁	PM_2.5	PM₁₀
OPC-N3	<0.001	<0.001	<0.001	0.053	<0.001	<0.001	0.001	<0.001	<0.001
SPS30	<0.001	<0.001	<0.001	0.211	<0.001	<0.001	0.041	<0.001	<0.001
AirBeam2	0.024	<0.001	<0.001	<0.001	0.02	0.0095	<0.001	<0.001	<0.001
PMS A003	0.218	<0.001	<0.001	0.101	<0.001	<0.001	<0.001	<0.001	<0.001

Note: green indicates significant difference and red indicates no difference between environmental and occupational settings.