Patient satisfaction and loyalty in Japanese primary care: a cross-sectional study

Table 2 Results of convergent and discriminant validity, and internal reliability (n = 206)

Scale	Number of items	Convergent validity	Discriminant validity			Internal reliability^b
Scale	Number of items	Item-scale correlations	item-other scale correlations	Success/total	Scaling Success^a (%)	Internal reliability^b
First contact (regular access)	5	0.59–0.78	0.04–0.57	45/45	100	0.71
First contact (urgent access)	3	0.78–0.82	−0.33 - 0.22	27/27	100	0.75
Longitudinality	15	0.47–0.80	−0.09 - 0.67	121/135	89.6	0.91
Coordination	6	0.88–0.92	−0.10 - 0.51	54/54	100	0.95
Comprehensiveness (variety of care)	15	0.55–0.77	−0.08 - 0.62	134/135	99.3	0.93
Comprehensiveness (risk prevention)	7	0.65–0.84	0.02–0.56	63/63	100	0.91
Comprehensiveness (health promotion)	5	0.59–0.75	−0.07 - 0.54	45/45	100	0.76
Family centeredness	2	0.92–0.94	- 0.14 - 0.66	18/18	100	0.82
Community orientation	2	0.89–0.90	0.06–0.41	18/18	100	0.75
Total	60	NA	NA	NA	NA	0.95

^aA scaling success rate was calculated as follows: a denominator is the total number of item-scale correlations tested, and a numerator is the number of those correlations for which the items in the scale correlate substantially greater with their own scale than with other scales.
^bCronbach’s alpha
NA: Not applicable

ISSN: 1472-6963