Comprehensive Benefit Evaluation of Cemented Paste Backfill in the Mining Industry

Table 4

Results of convergence validity.

Observed variable	Factor loading	AVE
Incremental profit per unit	0.682	0.562
Payback period	0.804
Net present value	0.758
Ore recovery rate	0.814	0.518
Backfill utilization rate of gangue	0.773
Utilization rate of other resource	0.592
Surface subsidence degree	0.654	0.547
Pollution amount of gangue	0.757
Spontaneous combustion pollution amount of gangue	0.800
Prevalence rate of mine residents	0.646	0.601
Land reclamation rate	0.909
Housing integrity	0.824