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Investigator Racial Diversity and Clinical Trial Participation

Author

Listed:
  • Marcella Alsan
  • Romaine A. Campbell
  • Lukas Leister
  • Ayotomiwa Ojo

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.

Suggested Citation

  • Marcella Alsan & Romaine A. Campbell & Lukas Leister & Ayotomiwa Ojo, 2023. "Investigator Racial Diversity and Clinical Trial Participation," NBER Working Papers 31732, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:31732
    Note: EH PE POL
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    More about this item

    JEL classification:

    • I14 - Health, Education, and Welfare - - Health - - - Health and Inequality
    • I18 - Health, Education, and Welfare - - Health - - - Government Policy; Regulation; Public Health

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