Comprehensive Benefit Evaluation of Cemented Paste Backfill in the Mining Industry

Table 2

Basic information of participants.

Category	Item	Frequency	Percentage (%)
Participating industries (mining sites)	East China	22	44
	North China	15	30
	Southwest region	5	10
	Central China	4	8
	Northwest region	3	6
	Northeast region	1	2
Expert title (universities & research institutions)	Lecturer	17	21.25
	Associate professor	29	36.25
	Professor	34	42.50