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Table 2 Health system characteristics

From: MyPreventiveCare: implementation and dissemination of an interactive preventive health record in three practice-based research networks serving disadvantaged patients—a randomized cluster trial

  VCUHS OCHIN UNM
Supporting practice-based research network Virginia Ambulatory Care Outcomes Research Network (ACORN) Oregon Community Health Information Network (OCHIN) Research Involving Outpatient Settings Network (RIOS Net)
Number of practices in network 87 200 250 (clinicians)
Number of practices eligible for study 9 200 21
Electronic health record Cerner Epic Cerner
Patient health record IQHealth MyChart IQHealth
Setting Urban Urban, sub-urban, and rural Urban, sub-urban, and rural
Unique patients seen annually 22,554 1,002,794 136,908
Gender    
Female (%) 59 56 55
Ethnicity    
Hispanic (%) 3 28 43
Race    
African-American (%) 57 6 3
Asian (%) 1 13 2
White (%) 39 74 46
Native American (%) 0.1 1.6 8
Payer mix    
Commercial (%) 62 15 28
Medicaid (%) 18 39 22
Medicare (%) 11 6 14
Self pay/indigent (%) 2 / 7 40 19