. 2022 Jun 3;17(6):e0269314. doi: 10.1371/journal.pone.0269314

Table 7. Results of the robustness of mediation test.

	Effect Path	Effect	Coefficient	95% conf. interval
Eliminating outliers	Digit→lnTFP→lnEX	Indirect	0.296^*** (0.088)	[0.153,0.485]
Eliminating outliers	Digit→lnTFP→lnEX	Direct	3.471^*** (0.668)	[2.052,4.741]
Mediating effect	Significant
	Effect Path	Effect	coefficient	95% conf. interval
Replacing explanatory variable	lnpost→lnTFP→lnEX	Indirect	0.024^*** (0.008)	[0.010,0.040]
Replacing explanatory variable	lnpost→lnTFP→lnEX	Direct	1.151^*** (0.044)	[1.065,1.240]
Mediating effect	Significant

Notes: The standard error in parenthesis.

***, **, and * indicate statistically significant at 1%, 5%, and 10%, respectively.