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Table 1 Median Rate of Primary Care Physicians, Nurse Practitioners, Physician Assistants, and Chiropractors According to County Socioeconomic and Health Status

From: Supply of Healthcare Providers in Relation to County Socioeconomic and Health Status

  Total or median rate, no. per 10,000 (IQR)
Primary care physicians Nurse practitioners Physician assistants Chiropractors
Total no. of providers 272,105 63,615 47,006 43,278
Overall county rate 6.3 (3.7, 9.8) 1.9 (0.8, 3.4) 1.0 (0.0, 2.3) 1.5 (0.6, 2.7)
By socioeconomic status*
 Quartile 1, lowest 5.1 (3.0, 7.7) 1.8 (0.6, 3.4) 0.0 (0.0, 1.5) 0.7 (0.0, 1.5)
 Quartile 2 6.4 (3.9, 9.9) 2.1 (0.8, 3.5) 1.0 (0.0, 2.2) 1.5 (0.7, 2.4)
 Quartile 3 6.7 (4.0, 10.6) 2.1 (0.7, 3.7) 1.3 (0.0, 2.7) 2.0 (1.0, 3.6)
 Quartile 4, highest 7.6 (4.4, 10.8) 1.9 (0.8, 3.1) 1.4 (0.5, 2.5) 2.0 (1.2, 3.3)
By health status
 Quartile 1, lowest 5.2 (3.2, 8.1) 2.1 (1.0, 3.7) 0.4 (0.0, 1.4) 0.8 (0.0, 1.4)
 Quartile 2 5.8 (3.5, 9.4) 1.9 (0.8, 3.4) 0.8 (0.0, 1.9) 1.4 (0.5, 2.2)
 Quartile 3 7.0 (4.3, 10.3) 2.0 (0.7, 3.3) 1.4 (0.2, 2.9) 2.0 (1.2, 3.3)
 Quartile 4, highest 7.5 (4.1, 11.1) 1.9 (0.6, 3.2) 1.5 (0.0, 2.9) 2.4 (1.3, 4.1)
  1. IQR, interquartile range
  2. *County socioeconomic status based on median household income (in $000s): quartile 1 (25–39), quartile 2 (39–45), quartile 3 (45–53), and quartile 4 (53–126)
  3. County health status based on life expectancy (in years): quartile 1 (68–76), quartile 2 (76–79), quartile 3 (78–80), and quartile 4 (80–87)