Research on Relationships among Different Disease Types of Cement Concrete Pavement Based on Structural Equation Model

Table 3

Reliability and validity test results.

Latent variables	Number	Cronbach’s alpha	KMO	Sig
Joint diseases	3	0.883	0.871	0.000
Surface diseases	2	0.778	0.737	0.000
Vertical diseases	2	0.861	0.835	0.000
Repair diseases	1	0.896	0.866	0.000
Fracture diseases	3	0.832	0.789	0.000
Total	11	0.965	0.973	0.000