Table 1.

Data Collected to Support Each Case

	Case 1	Case 2	Case 3	Case 4
Types of general clinic observations	3 field notes describing: a. Tour of clinic space b. Waiting room observations c. Observations of patient flow through clinic	3 field notes describing: a. Tour of clinic and nearby space b. Waiting room observation c. Observation of patient flow through clinic	2 field notes describing: a. Tour of clinic space b. Waiting room observation c. Observation of patient flow through clinic	2 field notes describing: a. Tour of clinic space and co-located services b. Observation of patient flow through clinic c. Observation of patient check-in/check-out activities
Observed clinical encounters	8	13	4	9
Interviews with employees	10	10	13	15
Interviews with patients	3	3	4	2
Types of documents reviewed	PHP template print-out from EHR 16 × 20 posters about PHP hung in exam rooms Print-outs of patient-facing letters and materials	Framed PHP handout in each exam room PHP-related brochures in waiting room	PHP advertising materials posted on health coach office door	EHR template PHP worksheet completed by patients