Table 2.

Fixed-Effects Regression of County-Level Primary Care Physician Workforce per 1000 Residents, 2013-2018 (n = 600 County-Years)

VariableCoefficient95% CIP
Gini coefficient ×10−0.58−1.12, −0.040.036
Year0.03−0.04, 0.110.374
Percent of adults with college degree0.080.02, 0.140.005
Median family income ($1000s)−0.03−0.06, 0.010.205
Average family size0.12−0.07, 0.300.223
Percent of males who are married (18+)−0.02−0.05, −0.0010.045
Percent male−0.18−0.30, −0.050.006
Percent Black or African American0.09−0.01, 0.190.071
Percent Hispanic or Latino0.04−0.14, 0.220.644
Median age (years)−0.01−0.13, 0.120.904
  • Abbreviation: CI, Confidence interval.