TABLE A2.

Cronbach's alpha for the five factors derived from the exploratory factor analysis model restricted to five factors and applied to the core set of 19 questions

	Cronbach's alpha coefficient	Range of alphas if individual items deleted
Factor 1: Shared decision‐making (five items)	0.90	0.87–0.89
Factor 2: Care coordination and administration (four items)	0.74	0.61–0.79
Factor 3: Diagnostic process (five items)	0.81	0.76–0.79
Factor 4: Timeliness of investigations (two items)	0.79	—
Factor 5: Aftercare and support (two items)	0.60	—