Factor

Standardized coefficients

Value of t

Survey and design scheme factor

0.395

9.166***

Infrastructure construction investment management system factor

0.397

9.216***

Capital and contract constraint factor

0.276

6.399***

Construction unit fiscal and management ability factor

0.319

7.406***

land requisition factor

0.342

7.941***

macro-economic environment changes factor

0.153

3.548***

Supervising moral risk factor

0.125

2.894**

Value of F

49.826***

Value of R2

0.649

Adjusted R2

0.636