Attached Table 1. Robustness test for increasing the frequency threshold.
Antecedent variable	High entrepreneurial activity (the threshold = 1)				High entrepreneurial activity (the threshold = 2)
	M1	M2	M3a	M3b	M1′	M2′
Entrepreneurial intentions
Entrepreneurial opportunity identifications
The quality of staff
Subject courses
Entrepreneurial competitions
Consistency	0.896	0.860	0.916	0.815	0.815	0.890
Raw coverage	0.228	0.105	0.112	0.129	0.129	0.176
Unique coverage	0.184	0.073	0.070	0.067	0.090	0.137
Solution coverage			0.880		0.850
Solution consistency			0.461		0.266