Table 3 Statistical description of the...

Table 3

Statistical description of the data

KSFs on CE in PPP projects	Mean	Level of importance	Rank	W (p-values)	KWHT (p-values)
KSF3- Optimization of zero carbon and recyclable resources	4.73	Very important	1	0.000(Sig.)	0.082
KSF4- The need for environmental protection	4.69	Very important	2	0.000(Sig.)	0.123
KSF2- Legislations to promote circular models	4.62	Very important	3	0.000(Sig.)	0.281
KSF16- Circular supply chain experts for public buildings	4.54	Very important	4	0.000(Sig.)	0.431
KSF1- Effective Leadership	4.46	Very important	5	0.000(Sig.)	0.932
KSF5- Engagement of specialist on circular economy	4.31	Very important	6	0.000(Sig.)	0.075
KSF12- Green infrastructure practices	4.17	Important	7	0.000(Sig.)	0.519
KSF10- Realignment of management training policies on circular contracts	4.05	Important	8	0.000(Sig.)	0.342
KSF11- Comprehensive support from innovative technologies	3.91	Important	9	0.000(Sig.)	0.47
KSF17- Improvement in health and safety	3.82	Important	10	0.000(Sig.)	0.378
KSF15- Skilled construction workers	3.77	Important	11	0.000(Sig.)	0.537
KSF7- Land use and construction waste regulations	3.71	Important	12	0.000(Sig.)	0.467
KSF21- Sharing of information on CE with trust	3.67	Important	13	0.000(Sig.)	0.924
KSF18- Strong collaboration among stakeholders	3.64	Important	14	0.000(Sig.)	0.162
KSF6- Robust circular project policies	3.63	Important	15	0.000(Sig.)	0.345
KSF9- Environmental certifications for construction of PPP projects	3.59	Important	16	0.000(Sig.)	0.712
KSF22- Usage of just-in-time IT delivery models	3.53	Important	17	0.000(Sig.)	0.524
KSF13- Financial support for green construction practices	3.42	Important	18	0.000(Sig.)	0.494
KSF20- Acceptance of innovative supply logistics for circular PPP projects	3.37	Important	19	0.000(Sig.)	0.732
KSF8- Recyclable construction materials	3.28	Important	20	0.000(Sig.)	0.825
KSF19- Availability of industry standards and guidelines	3.19	Somewhat important	21	0.000(Sig.)	0.451
KSF14- Effective material inventory and waste controls	3.08	Somewhat important	22	0.000(Sig.)	0.689

KSFs on CE in PPP projects	Mean	Level of importance	Rank	W (p-values)	KWHT (p-values)
KSF3- Optimization of zero carbon and recyclable resources	4.73	Very important	1	0.000(Sig.)	0.082
KSF4- The need for environmental protection	4.69	Very important	2	0.000(Sig.)	0.123
KSF2- Legislations to promote circular models	4.62	Very important	3	0.000(Sig.)	0.281
KSF16- Circular supply chain experts for public buildings	4.54	Very important	4	0.000(Sig.)	0.431
KSF1- Effective Leadership	4.46	Very important	5	0.000(Sig.)	0.932
KSF5- Engagement of specialist on circular economy	4.31	Very important	6	0.000(Sig.)	0.075
KSF12- Green infrastructure practices	4.17	Important	7	0.000(Sig.)	0.519
KSF10- Realignment of management training policies on circular contracts	4.05	Important	8	0.000(Sig.)	0.342
KSF11- Comprehensive support from innovative technologies	3.91	Important	9	0.000(Sig.)	0.47
KSF17- Improvement in health and safety	3.82	Important	10	0.000(Sig.)	0.378
KSF15- Skilled construction workers	3.77	Important	11	0.000(Sig.)	0.537
KSF7- Land use and construction waste regulations	3.71	Important	12	0.000(Sig.)	0.467
KSF21- Sharing of information on CE with trust	3.67	Important	13	0.000(Sig.)	0.924
KSF18- Strong collaboration among stakeholders	3.64	Important	14	0.000(Sig.)	0.162
KSF6- Robust circular project policies	3.63	Important	15	0.000(Sig.)	0.345
KSF9- Environmental certifications for construction of PPP projects	3.59	Important	16	0.000(Sig.)	0.712
KSF22- Usage of just-in-time IT delivery models	3.53	Important	17	0.000(Sig.)	0.524
KSF13- Financial support for green construction practices	3.42	Important	18	0.000(Sig.)	0.494
KSF20- Acceptance of innovative supply logistics for circular PPP projects	3.37	Important	19	0.000(Sig.)	0.732
KSF8- Recyclable construction materials	3.28	Important	20	0.000(Sig.)	0.825
KSF19- Availability of industry standards and guidelines	3.19	Somewhat important	21	0.000(Sig.)	0.451
KSF14- Effective material inventory and waste controls	3.08	Somewhat important	22	0.000(Sig.)	0.689

Source(s): Authors’ own work

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