Table 3.

Factor loadings for 10-item/7-item factor analyses for the Positive Provider Attitudes toward Sickle Cell Patients Scale (PASS), from a cohort study of provider attitudes toward patients with sickle cell disease and acute vaso-occlusive crisis (n = 121 surveys).

Item	10-Item factor analysis			7-Item factor analysis
	“Positive regard” loadings	“Beliefs about patient” loadings	Uniqueness	“Positive regard” loadings	“Beliefs about patient” loadings	Uniqueness
Liking	0.86	0.31	0.17	0.84	0.31	0.19
Empathy	0.73	0.23	0.41	0.84	0.23	0.40
Respect	0.78	0.38	0.25	0.79	0.37	0.23
Frustration	0.44	0.45	0.60
Makes me glad I went into medicine	0.48	0.37	0.63
Could see myself being friends with	0.32	0.43	0.71
Over-report (exaggerate) discomfort	0.32	0.84	0.18	0.32	0.84	0.18
Fail to comply with medical advice	0.29	0.78	0.31	0.30	0.77	0.31
Abuse drugs	0.22	0.74	0.41	0.23	0.73	0.41
Try to manipulate providers	0.29	0.90	0.11	0.29	0.90	0.11