Usefulness scale for patient information material (USE) - development and psychometric properties

Table 2 Reliability analyses

Item	Discrimination (corrected item-total correlation)	α of the total scale	Subscales	Discrimination (corrected item-subscale correlation)	α of the subscales
1	0.75	0.94	Cognitive	0.71	0.84
2	0.69			0.69
3	0.67			0.71
4	0.67		Emotional	0.80	0.94
5	0.83			0.92
6	0.86			0.89
7	0.86		Behavioral	0.82	0.91
8	0.83			0.86
9	0.75			0.80

ISSN: 1472-6947