Association of Primary Care Physicians Per Capita With COVID-19 Vaccination Rates Among US Counties

Two-sided P < .05 was considered statistically significant. ResultsAmong the 2739 US counties included in this study, PCPs were primarily concentrated in the Northeast, Florida, and many counties in the Midwest and West (Figure , A).This finding roughly corresponded to the distribution of counties with higher COVID-19 vaccination rates (Figure , B).After adjustment for potential confounders, counties in the highest decile of the number of PCPs per + Supplemental content