Table 1.

Characteristics of the Primary Care Practices Studied

	Participating Primary Care Practices
		Small Private			Nonprofit or CHC			Teaching
Characteristic	Large Group Practice A	Practice B	Practice C	Practice D	Practice E	Practice F	Practice G	Practice H
CCNC = Community Care of North Carolina (Medicaid); CHC = federally qualified community health center; EHR = electronic health record; FM = family medicine; FTE = full-time equivalent; IM = internal medicine; IPIP = Improving Performance in Practice (grant-funded demonstration project); P=pediatrics; PQRI=Physician Quality Reporting Initiative 2007 pilot program (Medicare).
^a Community type (by population): rural = <25,000 population; town = 25,000 to 100,000 population; small city = 100,000 to 500,000 population.
^b Bridges to Excellence (Blue Cross/Blue Shield of North Carolina).
Community^a	Town	Town	Small city	Rural	Rural	Rural	Rural	Small city
Practice type	Private	Private	Private	Private	CHC	CHC	Nonprofit	Teaching
Medical specialties represented	FM, IM	IM	P	FM	FM, IM, P	FM, IM	FM, IM	FM
Clinician FTEs
Physician	8.0	1.0	1.0	1.0	2.8	3.0	4.0	6.8
Nurse-practitioner or physician’s assistant	6.0	1.5	0	1.0	2.4	3.0	4.75	2.7
Other personnel FTE	36.0	7.5	3.0	7.0	24.0	22.0	36.0	30.5
Patient insurance, as % of visits
Medicare	34	47	0	40	28	29	29	21
Medicaid	9	18	58	18	26	11	28	20
Private insurance	45	32	40	37	27	44	28	56
Uninsured	12	3	2	2	19	16	13	2
Medical record type	EHR	Paper	Paper	EHR	Paper	EHR	EHR	EHR
Disease registry	No	Yes	Yes	No	Yes	No	No	Yes
Information technology specialist on staff	Yes	No	No	No	No	Yes	No	Yes
Reporting program participation
PQRI	Yes	Yes	No	Yes	No	No	No	Yes
CCNC	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No
IPIP^b	No	Yes	Yes	No	No	Yes	No	No
Bridges to Excellence	Yes	No	No	No	No	No	Yes	No