Development of the Japanese version of the general practice assessment questionnaire: measurement of patient experience and testing of data quality

Table 4 Results of validity testing and internal consistency from JPCAT (N = 215)

Scale	Number of items	Item–scale correlations	Item–other scales correlations	Cronbach’s alpha	Correlations with overall satisfaction^a
First contact (Access)	3	0.62–0.92	0.009–0.34	0.78	0.22
Longitudinality	5	0.74–0.88	0.09–0.57	0.86	0.38
Coordination	6	0.73–0.86	0.09–0.52	0.89	0.23
Comprehensiveness (services available)	5	0.81–0.89	0.03–0.57	0.91	0.40
Comprehensiveness (services provided)	5	0.58–0.82	−0.04–0.40	0.81	0.26
Community orientation	5	0.50–0.81	−0.11–0.45	0.78	0.44
Total	28			0.90	0.47

JPCAT Japanese version of the Primary Care Assessment Tool. ^aSpearman’s correlation
The mean score for overall satisfaction was 4.2 ± 0.9 on the GPAQ-J and 4.4 ± 0.6 on the JPCAT. Thus, satisfaction with the GPAQ-J was lower (p = .03 by Wilcoxon rank-sum test; see Additional files 3 and 4)

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