Does Diversity Matter for Health? Experimental Evidence from Oakland

Working Paper: NBER ID: w24787

Authors: Marcella Alsan; Owen Garrick; Grant C. Graziani

Abstract: We study the effect of physician workforce diversity on the demand for preventive care among African-American men. In an experiment in Oakland, California, we randomize black men to black or non-black male medical doctors. We use a two-stage design, measuring decisions before (pre-consultation) and after (post-consultation) meeting their assigned doctor. Subjects select a similar number of preventives in the preconsultation stage, but are much more likely to select every preventive service, particularly invasive services, once meeting with a racially concordant doctor. Our findings suggest black doctors could reduce the black-white male gap in cardiovascular mortality by 19%.

Keywords: Diversity; Health Disparities; Preventive Care; African-American Men

JEL Codes: C93; I12; I14


Causal Claims Network Graph

Edges that are evidenced by causal inference methods are in orange, and the rest are in light blue.


Causal Claims

CauseEffect
Race of doctor (black) (J15)Demand for preventive care services (I11)
Race of doctor (black) (J15)Communication between black patients and black doctors (I14)
Demand for preventive care services (I11)Racial gap in cardiovascular mortality (I14)
Demand for preventive care services (I11)Demand for preventive care services after consultation (I11)

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