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Objectives. We tested the association between the availability of primary care and income inequality on several categories of mortality in US counties. Methods. We used cross-sectional analysis of data from counties (n=3081) in 1990, including analysis of variance and multivariate ordinary least squares regression. Independent variables included primary care resources, income inequality, and sociodemographics. Results. Counties with higher availability of primary care resources experienced between 2% and 3% lower mortality than counties with less primary care. Counties with high income inequality experienced between 11% and 13% higher mortality than counties with less inequality. Conclusions. Primary care resources may partially moderate the effects of income inequality on health outcomes at the county level.

Objectives. This study assessed whether income inequality and primary care physician supply have a different effect on mortality among Blacks compared with Whites. Methods. We conducted a multivariate ecologic analysis of 1990 data from 273 US metropolitan areas. Results. Both income inequality and primary care physician supply were significantly associated with White mortality (P < .01). After the inclusion of the socioeconomic status covariates, the effect of income inequality on Black mortality remained significant (P < .01), but the effect of primary care physician supply was no longer significant (P > .10), particularly in areas with high income inequality. Conclusions. Improvement in population health requires addressing socioeconomic determinants of health, including income inequality and primary care availability and access.

This study uses Maryland hospital discharge data for the period 1979-82 to determine whether Black children are more likely to be hospitalized for asthma and whether this difference persists after adjustment for poverty. The average annual asthma discharge rate was 1.95/1000 children aged 1-19; 3.75/1000 for Black children, and 1.25/1000 for White. Medicaid-enrolled children of both races had increased discharge rates for asthma compared to those whose care was paid for by other sources: 5.68/1000 vs 2.99/1000 for Blacks, and 3.10/1000 vs 1.11/1000 for Whites. When ecologic analyses were performed, populations of Black and White children had nearly equal asthma discharge rates after adjustment for poverty. The statewide adjusted rate was 2.70/1000 (95% CL = 1.93, 3.78) for Black children and 2.10/1000 (1.66, 2.66) for White children. Among Maryland counties and health planning districts, variation in asthma discharge rates was not associated with the supply of hospital beds or the population to primary-care physician ratio. We conclude that Black children are at increased risk of hospitalization for asthma, but that some or all of this increase is related to poverty rather than to race.

A previous study suggested that patient-practitioner agreement and follow-up in ambulatory care facilitates problem resolution as judged by patients. In this study in another medical practice, practitioner-patient agreement on what problems required follow-up was associated with greater problem resolution as judged by the practitioners regardless of the severity of the problems. In this study, patients did not judge problems mentioned only by themselves to be less improved than problems mentioned by both them and their practitioners. However, in this study more of the problems mentioned only by patients were mentioned in the note of the visit contained in the medical record. Patients expected less and reported less improvements of problems that were neither mentioned by the practitioner nor written in the medical record than was the case for problems listed both by patients and practitioners. The findings of this study confirm those of the previous study in suggesting that practitioner-patient agreement about problems is associated with greater expectations for improvement and with better outcome as perceived by patients. In addition, they indicate that practitioners also report better outcome under the same circumstances.

In this study in an urban practice, the presence of a neutral observer at follow-up visits enhanced the extent to which practitioners recognized problems which patients had in a previous visit. This improvement was limited to those problems which initially had been mentioned by patients as requiring follow-up. Follow-up of problems initially mentioned by practitioners as needing follow-up was not improved by the observer unless the problem was also mentioned by the patient. Investigators whose information about practitioner-patient interaction depends upon the presence of an observer should be aware of this and possibly other effects. Although routine involvement of a neutral observer in patient-practitioner interactions is probably undesirable, selected deployment of observers or similar alternatives may be useful in situations where practitioner-patient communication is inadequate.