Table 4

Exploratory Factor Analysis

SNKey success factorsFactor Loadings (FL)Eigen value% Of variance explainedCumulative% of variance explained
PKSF1Environmental Protection Initiatives (EP) 5.16231.15731.157
KSF4The need for environmental protection0.923   
KSF3Optimization of zero carbon and recyclable resources0.914   
KSF8Recyclable construction materials0.885   
KSF12Green infrastructure practices0.872   
KSF14Effective material inventory and waste controls0.851   
KSF9Environmental certifications for construction of PPP projects0.781   
KSF13Financial support for green construction practices0.732   
PKSF2Good leadership and competence of the project team (LC) 4.70124.12855.285
KSF15Skilled construction workers0.911   
KSF10Realignment of management training policies on circular contracts0.872   
KSF16Circular supply chain experts for public buildings0.862   
KSF5Engagement of specialist on circular economy0.811   
KSF1Effective Leadership0.792   
KSF17Improvement in health and safety0.761   
PKSF3Effective stakeholder engagements and regulations (SR) 2.19715.78571.070
KSF7Land use and construction waste regulations0.838   
KSF18Strong collaboration among stakeholders0.815   
KSF6Robust circular project policies0.795   
KSF2Legislations to promote circular models0.784   
KSF19Availability of industry standards and guidelines0.741   
PKSF4Innovative technologies and data sharing (IT) 1.4867.63378.703
KSF20Acceptance of innovative supply logistics for circular PPP projects0.851   
KSF11Comprehensive support from innovative technologies0.802   
KSF21Sharing of information on CE with trust0.771   
KSF22Usage of just-in-time IT delivery models0.724   
Source(s): Authors’ own work
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