Table 3.

Internal consistency of SF-36 and its eight sections as measured by Cronbach’s α (total PBC population and individual PBC cohorts)

	All subjects (n = 374)	Larissa (n = 300)	Crete (n = 74)
Physical functioning	0.86	0.87	0.89
Role limitation due to physical health	0.83	0.86	0.87
Role limitation due to emotional problems	0.83	0.86	0.87
Vitality	0.85	0.87	0.87
Mental health	0.89	0.89	0.88
Social functioning	0.84	0.86	0.86
Pain	0.85	0.87	0.87
General health	0.85	0.88	0.87
SF-36	0.87	0.89	0.89