Table 2

Principal components factor analysis

	Japanese version of SPRAT questions	Component 1	Component 2
1	Ability to diagnose patient problems	0.806	0.349
2	Ability to formulate appropriate management plans	0.826	0.319
3	Ability to manage complex patients	0.766	0.360
4	Awareness of their own limitations	0.609	0.434
5	Ability to respond to psychosocial aspects of illness	0.375	0.720
6	Appropriate utilisation of resources, for example, ordering investigations	0.610	0.419
7	Ability to assess risks and benefits when treating patients	0.793	0.345
8	Ability to coordinate patient care	0.730	0.442
9	Technical skills (appropriate to current practice)	0.784	0.213
10	Ability to apply up-to-date/evidence-based medicine	0.827	0.220
11	Ability to manage time effectively/prioritise	0.763	0.265
12	Ability to deal with stress	0.462	0.351
13	Commitment to learning	0.654	0.372
14	Willingness and effectiveness when teaching/training colleagues	0.703	0.402
15	Ability to give feedback (private, honest and supportive)	0.613	0.538
16	Communication with patients	0.276	0.866
17	Communication with carers and/or family	0.263	0.879
18	Respect for patients and their right to confidentiality	0.279	0.841
19	Verbal communication with colleagues	0.327	0.783
20	Written communication with colleagues	0.440	0.683
21	Ability to recognise and value the contribution of others	0.397	0.769
22	Accessibility/reliability	0.491	0.645
23	Leadership skills	0.763	0.374
24	Management skills	0.765	0.358