Table 3.

Analysis results of betweenness centrality for influencing factors.

Order	Influencing factor	Betweenness
1	Strategic objectives of contractor	12.507
2	Industrial support	11.325
3	Developers' acceptance of prefabricated buildings	10.166
4	Expected economic benefits for contractor	9.479
5	Competitive pressure	7.608
6	Scale of contractor enterprise	5.739
7	Price of precast concrete components	5.726
8	Precision manufacturing	5.593
9	Industrial chain maturity	5.559
10	Maturity of standards	4.593
11	Professional competence of contractor	3.429
12	Quality of construction	2.39
13	Innovative potential of contractor	1.946
14	Market demand	1.94
15	Perception of contractor	1.574
16	Willingness of contractor	1.272
17	Economic incentives for manufacturing	0.077
18	Availability of priority land supply	0.077
19	Mandatory implementation policy	0
Average		4.789