Psychometric Evaluation of the Chinese Version of the Patient Perceptions of Empowerment Scale (PPES)

Table 2

Results of exploratory factor analysis (EFA) of the PPES using principal component analysis with varimax rotation (𝑛=554).

PPES items	Factor loading
	Factor 1	Factor 2	Factor 3	Factor 4
Item 1	0.82
Item 2	0.83
Item 3	0.84
Item 6			0.79
Item 7			0.85
Item 10		0.88
Item 11		0.88
Item 12		0.67
Item 14				0.58
Item 15				0.80
Item 17				0.74
% of variance	45.62	9.52	8.41	7.03
Cumulative variance	45.62	55.14	63.55	70.57
Cronbach’s 𝛼 of subscale	0.81	0.77	0.67	0.63