Table 2 Results obtained by EFA using...

Table 2

Results obtained by EFA using PCA with varimax rotation as an estimation method

Factor	Model 1 –				Model 2 –				Model 3 –
	Recyclable plastic cup				Biodegradable paper cup				Reusable cup
	1	2	3	4	1	2	3	4	1	2	3	4
Perceived environmental benefits (PEB)	0.86				0.88				0.88
	0.85				0.87				0.89
	0.80				0.81				0.84

Social norms (SN)		0.80				0.83				0.85
		0.80				0.82				0.81
		0.83				0.85				0.87

Value for money (VM)			0.81				0.82				0.77
			0.83				0.87				0.86
			0.82				0.80				0.82

Perceived contamination risk (PCR)				0.86				0.85				0.86
				0.90				0.91				0.91
				0.90				0.88				0.86
Eigenvalues	2.59	2.50	2.59	2.41	2.51	2.46	2.44	2.38	2.56	2.52	2.35	2.39
Variance explained	0.22	0.22	0.21	0.20	0.21	0.21	0.20	0.20	0.21	0.21	0.20	0.20
Cronbach’s alpha	0.91	0.93	0.91	0.87	0.89	0.91	0.87	0.86	0.91	0.92	0.84	0.86
Bartlett’s test of sphericity	9,431***				7,862***				8,063***
KMO’s test	0.89				0.86				0.86

Factor	Model 1 –				Model 2 –				Model 3 –
	Recyclable plastic cup				Biodegradable paper cup				Reusable cup
	1	2	3	4	1	2	3	4	1	2	3	4
Perceived environmental benefits (PEB)	0.86				0.88				0.88
	0.85				0.87				0.89
	0.80				0.81				0.84

Social norms (SN)		0.80				0.83				0.85
		0.80				0.82				0.81
		0.83				0.85				0.87

Value for money (VM)			0.81				0.82				0.77
			0.83				0.87				0.86
			0.82				0.80				0.82

Perceived contamination risk (PCR)				0.86				0.85				0.86
				0.90				0.91				0.91
				0.90				0.88				0.86
Eigenvalues	2.59	2.50	2.59	2.41	2.51	2.46	2.44	2.38	2.56	2.52	2.35	2.39
Variance explained	0.22	0.22	0.21	0.20	0.21	0.21	0.20	0.20	0.21	0.21	0.20	0.20
Cronbach’s alpha	0.91	0.93	0.91	0.87	0.89	0.91	0.87	0.86	0.91	0.92	0.84	0.86
Bartlett’s test of sphericity	9,431***				7,862***				8,063***
KMO’s test	0.89				0.86				0.86

Note(s): ***p < 0.001

Source(s): Created by the authors