Investigator Racial Diversity and Clinical Trial Participation

Marcella Alsan (), Romaine A. Campbell, Lukas Leister and Ayotomiwa Ojo

No 31732, NBER Working Papers from National Bureau of Economic Research, Inc

Abstract: We investigate whether increased racial diversity of clinical trial principal investigators could increase the enrollment of Black patients, which currently lags population and disease-burden shares. We conducted a survey experiment in which respondents were shown a photo of a current NIH investigator in which race (Black/White) was randomized. Sex was also randomized as a relevant benchmark. Black respondents reported 0.35 standard deviation units higher interest in participating in a clinical study led by a race concordant investigator (a 12.6% increase). Sex concordance had no effect. Further analyses indicate that perceived trustworthiness and attractiveness are the most important factors explaining these results.

JEL-codes: I14 I18 (search for similar items in EconPapers)
Date: 2023-09
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