• Kevin Fiscella and Peter Franks.
• Department of Family Medicine, University of Rochester School of Medicine & Dentistry, Rochester, NY, USA. kevin_fiscella@umc.rochester.edu
• Am J Manag Care. 2005 Jun 1; 11 (6): 397-402.

ObjectiveTo examine the relationship between racial disparities in common primary care procedures and patient HMO membership and physician level of HMO participation.DesignCross-sectional analysis.MethodsData were obtained from a nationally representative sample of primary care office visits documented in the National Ambulatory Medical Care Survey for 1985, 1989-1992, and 1997-2000. Patient HMO membership was assessed based on reports by primary care physicians (defined as family physicians/general practitioners, internists, or obstetrician-gynecologists). Physician HMO participation was assessed based on the proportion of the physician's patients who were in an HMO. Patient characteristics (age, sex, race, insurance, diagnoses) and office procedures or interventions were determined by examining the physician report. Patients were adults aged 19 years or older.ResultsIn adjusted analyses, African Americans, compared with whites, had lower odds of receiving a Pap test (adjusted odds ratio [AORI = 0.76; 95% confidence interval [CI] = 0.65, .90), a rectal exam (AOR = 0.67; 95% CI = 0.54, 0.84), smoking cessation advice (AOR = 0.72; 95% CI = 0.58, 0.91), and mental health advice (AOR = 0.46; 95% CI = 0.29, 0.72), but had higher odds of receiving advice on diet and weight, and a follow-up appointment. Notably, there were no significant interactions between either patient HMO membership or physician level of HMO participation, patient race, and receipt of primary care services.ConclusionNeither patient HMO membership nor physician level of HMO participation is substantially associated with racial disparities in primary care.

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