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A closer look at disparities in earnings between white and minoritized dentists
Kamyar Nasseh1, Bianca K Frogner2, Marko Vujicic3
1Health Economist, Health Policy Institute, American Dental Association, Chicago, Illinois, USA.
Objective:
To examine the factors that account for differences in dentist earnings between White and minoritized dentists.
Data Sources:
We used data from the American Dental Association's Survey of dental practice, which includes information on 2001-2018 dentist net income, practice ZIP code, patient mix between private and public insurance, and dentist gender, age, and year of dental school graduation. We merged the data on dentist race and ethnicity and school of graduation from the American Dental Association masterfile. Based on practice ZIP code, we also merged the data on local area racial and ethnic composition from the American Community Survey.
Study Design:
We used a linear Blinder-Oaxaca decomposition to assess observable characteristics that explain the gap in earnings between White and minoritized dentists. To assess differences in earnings between White and minoritized dentists at different points of the income distribution, we used a re-centered influence function and estimated an unconditional quantile Blinder-Oaxaca decomposition.
Data Extraction Methods:
We extracted data for 22,086 dentists ages 25-85 who worked at least 8 weeks per year and 20 hours per week.
Principal Findings:
Observable characteristics accounted for 58% of the earnings gap between White and Asian dentists, 55% of the gap between White and Hispanic dentists, and 31% of the gap between White and Black dentists. The gap in earnings between White and Asian dentists narrowed at higher quantiles of the income distribution.
Conclusions:
Compared to other minoritized dentists, Black dentists have the largest earnings disparities relative to White dentists. While the level of the explained component of the disparity for Black dentists is comparable to the explained part of the disparities for other minoritized dentists, the excess percentage of the unexplained component for Black dentists accounts for the additional amount of disparity that Black dentists experienced. Persistent income disparities could discourage minoritized dentists from entering the profession.
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