Background Emphasis on ensuring women's access to preventivehealth services has increased over the past decade. Relativelylittle attention has been paid to whether the sex of the physicianaffects the rates of cancer screening among women. We examineddifferences between male and female physicians in the frequencyof screening mammograms and Pap smears among women patientsenrolled in a large Midwestern health plan.
Methods We identified claims for mammography and Pap tests submittedby primary care physicians for 97,962 women, 18 to 75 yearsof age, who were enrolled in the health plan in 1990. The sexof the physician was manually coded, and the physician's agewas obtained from the state licensing board. After identifyinga principal physician for each woman, we calculated the frequencyof mammography and Pap smears for each physician, using thenumber of women in his or her practice during 1990 as the denominator.Using unconditional logistic regression, we also calculatedthe odds ratio of having a Pap smear or mammogram for womenpatients with female physicians as compared with those withmale physicians, controlling for the physician's and the patient'sage.
Results Crude rates for Pap smears and mammography were higherfor the patients of female than male physicians in most agegroups of physicians. The largest differences between femaleand male physicians were in the rates of Pap smears among theyoungest physicians. For the subgroup of women enrolled in thehealth plan for a year who saw only one physician, after adjustmentfor the patient's age and the physician's age and specialty,the odds ratio for having a Pap smear was 1.99 (95 percent confidenceinterval, 1.72 to 2.30) for the patients of female physiciansas compared with those of male physicians. For women 40 yearsold and older, the odds ratio for having a mammogram was 1.41(95 percent confidence interval, 1.22 to 1.63). For both Papsmears and mammography, the differences between female and malephysicians in screening rates were much more pronounced in internalmedicine and family practice than in obstetrics and gynecology.
Conclusions Women are more likely to undergo screening withPap smears and mammograms if they see female rather than malephysicians, particularly if the physician is an internist orfamily practitioner.
Source Information
From the Departments of Medicine, Hennepin County Medical Center and the University of Minnesota (N.L., K.M.); the School of Public Health, University of Minnesota (N.L., P.M., J.E.); the Cancer Control Section, Minnesota Department of Health (J.S.); and the Center for Health Care Policy and Evaluation, United HealthCare Corporation (L.Q.) -- all in Minneapolis.
Address reprint requests to Dr. Lurie at the Medicine Office (814), Hennepin County Medical Center, 701 Park Ave., Minneapolis, MN 55415.
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